451results about How to "Increase productivity" patented technology

The invention discloses a steel mold for a prefabricated concrete lintel of a distribution box, and an assembly structure and a construction method of the steel mold, belonging to the technical field of concrete construction. The steel mold for the prefabricated concrete lintel of the distribution box comprises a bottom mold, a short-edge side mold and a long-edge side mold which can be made of steel and have certain strength. All the molds are combined into a mold plate system according to requirements, and the stability and rigidity of the mold as a concrete mold plate can be met; and after concrete is poured into the mold and cured according to requirements, the concrete lintel of the distribution box is manufactured, and requirements on quality and impression are met. By means of the steel mold, lintel prefabricating production efficiency can be improved, large-scale industrialized production of steel plates can be achieved, a requirement on the number of prefabricated concrete lintels can be met, the problem that cast-in-place concrete lintels on a construction site cannot be vibrated is solved, and preformed holes in the prefabricated lintel of the distribution box can be formed at a time, so construction quality can be guaranteed, appearance quality can be guaranteed, and wide market prospects are obtained.

The invention provides methods and host cells for the production of ascorbic acid intermediates. The invention also provides host cells having a modification in a polynucleotide that uncouples the catabolic pathway from the oxidative pathway by deleting the encoding for an endogenous enzymatic activity that phosphorylates D-glucose at its 6th carbon and/or a polynucleotide that has deleted the encoding for endogenous enzymatic activity that phosphorylates D-gluconate at its 6th carbon. Such host cells are used for the production of products, such as, ascorbic acid intermediates. Nucleic acid and amino acid sequences with inactivated enzymatic activity which phosphorylates D-glucose at its 6th carbon and inactivated enzymatic activity which phosphorylates D-gluconate at its 6th carbon are provided.

The invention discloses an integrated intelligent primary and auxiliary pole coil winding robot. The robot comprises a first sliding table, a second sliding table connected to the output end of the first sliding table, a winding power unit connected to the output end of the second sliding table, a rack table which is arranged at one side of the second sliding table, a third sliding table and a fourth sliding table which are both arranged on the top of the rack table side by side, a fifth sliding table and a sixth sliding table which are connected to the output end of the third sliding table and the output end of the fourth sliding table respectively, and a first rotary wire drawing mechanism and a second rotary wire drawing mechanism which are connected to the output end of the fifth sliding table and the output end of the sixth sliding table respectively. The robot also comprises a wire hooking mechanism which is used for hooking and pulling a wire and penetrating through a second fixing hole of a framework after a main pole coil is wound; the first rotary wire drawing mechanism comprises a laser cutting head, and the second rotary wire drawing mechanism comprises a cutter. According to the invention, the primary and auxiliary pole coils of the transformer can be wound on the same framework at a time, so the production efficiency is high, the structure of the transformer can be greatly simplified, the size is small, and the transformer is suitable for occasions with limited installation space.

The invention relates to a battery diaphragm cutting and positioning device, in particular to a lithium ion battery diaphragm cutting and positioning device. The lithium ion battery diaphragm cuttingand positioning device provided by the invention is relatively high in safety, relatively high in efficiency and relatively high in percent of pass. The lithium ion battery diaphragm cutting and positioning device comprises a base and a working frame arranged in the middle of the base; a pulling mechanism arranged on the working frame; a sliding mechanism arranged on the working frame, and connected with the pulling mechanism; and a cutting mechanism arranged on the working frame, and matched with the sliding mechanism. Through the design of the pulling mechanism, the sliding mechanism and thecutting mechanism, the lithium battery diaphragm is automatically cut, people do not need to manually cut the lithium battery diaphragm, through the design of the discharging mechanism and the correcting mechanism, the cut lithium battery is automatically discharged, and the lithium battery is more accurately cut.

The invention provides an electric Sovent pipe fitting cutter which comprises a cutter main body, a transmission shaft connected with the cutter main body, and a cutter head arranged in the cutter main body, wherein the cutter main body is sleeved on a pipe fitting to be processed, and the transmission shaft drives the cutter head to rotate. The electric Sovent pipe fitting cutter solves the problems that the traditional operation methods of cutting by a common cutter or sawing by a saw, and the like which are simpler are adopted, so that the cut dimension is not accurate, the cut end surface is not level, burr can be easily caused during cutting to cause re-processing, the pipe fitting is easily damaged during cutting to damage the appearance of the product, etc. and simultaneously, an electric tool and the cutter are better combined for use, so that the production efficiency can be greatly improved when a standby interface of the Sovent pipe fitting is cut.

The invention discloses a preparation method of a quaternary ammonium cationic monomer aqueous solution. The preparation method comprises the following steps: after fully mixing a mixture of unsaturated tertiary amine and a polymerization inhibitor with water, continuously feeding the mixture to a tower reactor from the upper part of the tower reactor; and continuously introducing gas halohydrocarbon from the lower part of the tower reactor to the tower reactor, wherein the unsaturated tertiary amine and the gas halohydrocarbon in the tower reactor are in countercurrent contact to react, the reaction temperature is 35-60 DEG C and the reaction time is 3-15 minutes. The preparation method disclosed by the invention realizes continuous production and is short in reaction time, and the conversion ratio of the unsaturated tertiary amine reaches over 99.8%, the content of a byproduct acrylic acid is less than 1000ppm, the content of the byproduct is low, the product yield is high and the product quality is stable.

The invention belongs to the technical field of machine tool accessories, and discloses a high-speed and high-precision one-piece tool handle structure for grinding, milling and wire drawing, which is used to solve the problem that the existing tool handles and pull studs have high manufacturing costs and cannot be applied to many The occasion of high speed leads to the problems of limited machining accuracy and limited high speed machining technology. The high-speed and high-precision one-piece knife handle structure for grinding, milling and wire drawing of the present invention includes a knife handle and a pull stud, and the pull stud is located at one end of the knife handle, and is characterized in that the knife handle and The pull stud is an integral structure. The present invention changes the existing split structure of the knife handle and the pull stud into one, reduces the manufacturing difficulty of the knife handle and the pull stud, and improves the production efficiency. At the same time, the tool holder structure of the present invention can improve the force transmission efficiency between the machine tool and the tool holder structure, and the machining accuracy, cutting efficiency and service life of the tool holder are greatly improved.

The invention relates to a preparation method of a battery pole piece, which comprises the steps of coating an active substance layer on a current collector, and forming a first hollowed-out area which is not covered by the active substance layer at the position of the current collector in the active substance layer; slitting the current collector from the middle of the first hollowed-out area to form a plurality of pole piece materials; and slitting the first hollowed-out area into a first welding area for welding a tab. According to the slitting mode, the first welding area used for welding the tab is formed while the current collector is slit, that is, the purpose of slitting to obtain a plurality of pole piece materials is achieved by slitting the current collector from the middle of the first hollowed-out area, and meanwhile, each pole piece material is provided with the first welding area which does not need to be machined again. Compared with the prior art, the die cutting procedure is omitted, the production efficiency is improved, the current collector is slit from the middle of the first hollowed-out area, redundant leftover materials cannot be formed, materials are saved, and the cost is reduced.

The invention belongs to precision casting, and particularly relates to a resin sand casting equipment and casting process. The equipment comprises a conveying mechanism and a supporting mechanism mounted on the top face of the conveying mechanism. A forming mechanism is in transmission connection to the conveying mechanism. The supporting mechanism comprises a supporting plate and supporting columns fixed to the four corners of the bottom face of the supporting plate, and the bottom ends of the supporting columns are fixed to the top face of the conveying mechanism. During casting, casting parts located in upper molds and lower molds on one side can be taken out, and then a new sand box is loaded and adjusted; after casting is completed, a hydraulic cylinder drives connecting guide platesand the upper molds to reset, the conveying mechanism drives the forming mechanism to overall move, the upper molds and the lower molds prepared in advance are pushed to the position below the hydraulic cylinder, and the hydraulic cylinder carries out pressing down to achieve casting; and when the casting parts are taken out and the new sand box is loaded and adjusted, the equipment can carry outmachining and casting continuously, the equipment shutdown time is shortened, and the production efficiency is improved.

The invention provides a multi-head drill rotary disc clamp. The multi-head drill rotary disc clamp is characterized by comprising a rack (1), a rotating shaft base (2) is arranged on the upper surface of the rack (1), a rotating shaft (3) is arranged in the rotating shaft base (2), a rotary disc (4) is arranged at the upper end of the rotating shaft (3), a motor (5) correspondingly matched with the rotary disc (4) is arranged on one side of the rack (1), a rotary disc clamping base (6) is locally arranged on the rotary disc (4), and a multi-head drill assembly (7) correspondingly matched with the rotary disc clamping base (6) is arranged above the rotary disc (4). The multi-head drill rotary disc clamp has the beneficial effects of being simple in structure, convenient to use, high in machining efficiency, high in machining accuracy and the like.

The invention relates to the field of micro motor manufacture, and particularly discloses a rotor shaft pressing machine for manufacturing a micro motor. The rotor shaft pressing machine comprises a base, and is characterized in that an upright post is fixed on the base; a power device is mounted at the upper end of the upright post; a pressing down device is in threaded connection with the lower end of the power device; a rotor shaft hole is formed in the lower surface of the pressing down device; a fixing seat is movably connected to the base; a slotted hole is formed in the fixing seat; a positioning sleeve is matched with the slotted hole; the inside diameter of the upper part of the positioning sleeve is large while the inside diameter of the lower part of the positioning sleeve is small; the inside diameter of the upper part of the positioning sleeve is the same as the diameter of a rotor iron core; the inside diameter of the lower part of the positioning sleeve is the same as the diameter of the rotor shaft. As manual operation in the prior art is replaced by mechanical operation, and the mounting of the rotor shaft is realized through the pressing down device, the mounting of the rotor shaft becomes easy, time-saving and labor-saving, and the production efficiency is greatly improved.

Graphene has broad application prospect in every field due to excellent physicochemical characteristics and is widely applied to the field of heat conduction because of high heat conductivity coefficient being 3500 W/mK; according to the technical scheme, a plasma ablation machine is introduced into the preparation process of a graphene film with high thermal conductivity for the first time and used for performing ablation treatment on a prepared polyimide complex film, so that the carbonization and graphitization time is greatly shortened, graphene carbonization in an original technology is simplified into one step, high-temperature ablation is improved, carbonization and graphitization treatment of the polyimide film and reduction of graphene oxide are realized by one step, and a final product shows quite excellent thermal conductivity.

The invention provides a short-flow preparation method of rare earth doped modified ammonium paratungstate (APT) powder. The short-flow preparation method comprises ammonia dissolving treatment of crude tungstic acid and crystallization of an ammonium tungstate solution. According to the method, yttrium nitrate powder and lanthanum nitrate powder are added into scheelite concentrate powder, and the powder is subjected to efficient wet grinding to obtain mixed powder, so that the scheelite concentrate powder is refined and homogenized; the mixed powder is treated by adopting concentrated hydrochloric acid to obtain crude tungstic acid particles. The method comprises the following steps: (1) mixing materials; carrying out wet grinding on the yttrium nitrate powder, the lanthanum nitrate powder and the scheelite concentrate powder, and mixing to prepare the mixed powder; (2) drying the mixed powder; (3) preparing the crude tungstic acid; (4) preparing an ammonium tungstate solution; (5) evaporating and crystallizing ammonium tungstate. According to the short-flow preparation method provided by the invention, two rare earth elements including yttrium and lanthanum are compounded and added into the scheelite concentrate powder in a soluble rare earth nitrate form and are not independently added, and a synergistic effect is formed; compared with APT powder obtained by a traditional acid decomposition technology, the APT powder prepared by the method has the advantages that the particles are smaller, the grain diameter distribution is more uniform and the dispersity is more excellent.

The invention discloses high-speed pipe cutting equipment with an automatic feeding function. The high-speed pipe cutting equipment comprises a feeding mechanism, a conveying mechanism, a laser pipe cutting mechanism and a control device. The conveying mechanism is arranged at the front end of the laser pipe cutting mechanism, and the feeding mechanism is arranged on one side of the conveying mechanism. The feeding mechanism, the conveying mechanism and the laser pipe cutting mechanism are electrically connected with the control device. According to the high-speed pipe cutting equipment, by means of the cooperation of the feeding mechanism, the conveying mechanism, the laser pipe cutting mechanism and the control device, pipe feeding and cutting integration can be automatically completed,the number of times of shutdown caused by feeding can be effectively reduced, the shutdown time is saved, and the production efficiency is effectively improved; the pipe cutting equipment can achieveautomatic feeding, the labor intensity of an operator can be effectively reduced, the risk that an operator is injured due to the fact that load bearing of the operator is too large when pipes are carried is reduced, and therefore the personal safety of the operator is guaranteed; the labor cost can be reduced, and the production cost can be reduced; and the equipment is simple in structure and low in manufacturing cost, and the production cost is reduced.

A fuse shaping and cutting structure comprises a vibrating disc one side of which is provided with a material discharge port and in which a to-be-machined fuse is placed, a support member disposed on one side of the material discharge port of the vibrating disc, a slide rail disposed on the support member, a movable member disposed on the slide rail in a sliding manner and provided with a plurality of concave modules with grooves matching the fuse after machining, a drag electric cylinder provided with a first push block connected with the movable member, a down press cylinder disposed above the movable member and provided with a second push block, and a convex module connected with the second push block; and the convex module comprises a positioning pin, a bending block and a cutting block, the positioning pin is disposed in the bending block in a movable manner, and the bending block is disposed in the cutting block in a movable manner. According to the fuse shaping and cutting structure, a lot of work personnel and auxiliary fixtures are not needed, the fuse is artificially placed, bent and cut, and production efficiency is improved.