30results about How to "Short exchange time" patented technology

The utility model relates to a rapid preparation method of SiO2 aerogel sphere, belonging to a field of inorganic metallic materials, in particular to a method of rapidly preparing SiO2 aerogel sphere. Water glass is used as raw material that performs ion exchange to obtain the silicic acid PH=2-3, after added with alkaline catalyst, the silicic acid is added into the hydrophobic oil, and then is mixed to cut into micro liquid drops that are spherically suspended in the oil under the action of surface tension, the silicic acid is mixed until aerogel sphere is generated, afterwards, the oil and the sphere perform solid-liquid separation, and then are cleaned with water to obtain aerogel sphere, the aerogel sphere is soaked by the ethanol and absolute alcohol in sequence to perform solvent exchange to obtain alcohol gel sphere, after dried, aerogel sphere with micrometer or millimeter grade particles can be otained. The invention has low cost, easy and controllable process, mass production, good product quality and wide application prospect in the heat isolation and catalysis fields.

The invention discloses an electronic business card automatic interaction system and method. The system comprises a cloud server which is used for synchronizing and backing up electronic business cards uploaded by users; mobile terminals which are used for editing, storing and checking the electronic business cards; and intelligent wearable devices which are used for identifying handshake actions of the users, sending and receiving business cards and business card claim serial numbers, and storing the business card claim serial numbers of the users and the received business card claim serial numbers offline. The cloud server is connected with the mobile terminals through a mobile internet. The intelligent wearable devices are connected with the mobile terminals through Bluetooth. Each intelligent wearable device comprises a power supply module, a control module, a memory module, a Bluetooth module, a near field communication module, a gravity sensor and a motor module. According to the system and the method, traditional paper business cards are replaced by the electronic business cards; and the social relationship management costs of the users are reduced.

An exposure apparatus for transferring a pattern on a master to a substrate via an optical system includes a first housing for surrounding the exposure position of the master, a second housing for stocking the master, and a third housing for transferring the master between the inside and outside of the first housing. The interior of each housing is controlled to a predetermined atmosphere.

A management apparatus for series battery includes a conversion unit electrically connected to a plurality of series cell, wherein that conversion unit includes a switch assembly configured to controla closed state of a plurality of loops correspond to the plurality of single cells; And a charging, discharging and voltage transformation assembly configured to operate in a charge, discharge or transformer mode to achieve power dispatch between adjacent and non-adjacent cell units; The battery management apparatus further includes a control unit electrically connected to the conversion unit, configured to detect a state of the battery, and control a state of the switch assembly and an operation mode of the charge-discharge and transformer assembly. Inside each battery cell, the power exchange between the batteries is realized by controlling the power switch tube and the transformer, and the power exchange between adjacent battery cells is realized by sharing a single battery. The time of the power exchange is short, and the energy transfer loss is small.

A cartridge includes a cartridge main body and a filter unit. The cartridge main body contains a biochemical analysis unit of flow-through type, and includes a chamber into which a reaction solution is injected. The filter unit is used for the filtrating the reaction solution and fixed by screws to a bottom of the cartridge main body. The biochemical analysis unit is removably loaded onto a reactor main body in a situation that the cartridge is loaded. In setting the cartridge, the biochemical analysis unit and the filter are loaded, and therefore the loading mistake is prevented and the time for exchange of the filter is reduced.

The invention belongs to an injector multiple-station mold plate exchange structure, which comprises a moving mold component and a hanging mold component, wherein the moving mold component comprises a moving mold bracket and a moving mold seat positioned on the moving mold bracket. A mold plate frame used for supporting a lower mold plate is arranged on the moving mold seat and a supporting plate used for the horizontal displacement of the lower mold plate and the mold plate frame is also connected to the mold plate frame. A moving mold seat lifting device capable of driving the moving mold seat to move up and down, a mold plate frame exchange device and a moving mold seat positioning device are arranged on the moving mold bracket. The hanging mold component comprises a static mold plate and a dynamic mold plate, wherein a hanging mold seat used for supporting the mold plate frame is arranged between the still mold plate and the dynamic mold plate. The mold plate frame which can be exchanged with the mold plate frame on the dynamic mold seat is arranged on the hanging mold seat and a hanging mold seat lifting device, a horizontal moving device making the hanging mold seat move back and forth and a hanging mold seat positioning device are arranged below the mold plate frame. The mold plate exchange structure has the advantages of compact structure, high butt joint precision, precise and stable repeated butt joint and positioning precision and safe and reliable use.

A parallel access non-stopping high-speed train includes a running track, a running train, an anti-collision track, an electronically-controlled locking door, a platform track, a platform train, an anti-collision pulley, an electronically-controlled flap, an intelligent controller and a waiting platform., wherein an anti-collision pulley and an anti-collision track are arranged on the upper end ofthe running train and the platform train, and the anti-collision pulley slides on the anti-collision track during the parallel butt joint or separation of the two trains, so that a stable distance of2cm is maintained between the running train and the platform train, and the two trains are prevented from colliding and rubbing each other; when the two trains are butted together, the intelligent controller adjusts the speed of the train to synchronize the two trains, and the electronically controlled locking door of the running train penetrates into the electronically controlled valve of the train on the platform to mechanically lock the two trains into an integrated double train. The electronically controlled locking door acts as a windshield to reduce the influence of the outdoor air flowon the indoor of the double trains in high-speed operation. When boarding and disembarking passengers are exchanged, the front and rear doors of the integrated twin trains are fully opened, which canmeet the requirements of larger passenger flow.

The invention provides a method and a device for manufacturing an upper and lower casting mold without a sandbox. The double-sided templates are clamped by the horizontal mold-making upper box and mold-making lower box with sand blowing inlets on the side walls; the upper and lower extrusion devices are respectively inserted into the mold-making upper box and the mold-making lower box without double-sided templates. The opening of the upper and lower mold-making spaces is formed; a pair of mold-making upper boxes, mold-making lower boxes and double-sided templates rotate to a vertical state, and the molding sand blowing inlet moves upward; the molding sand blowing inlet moves up and down two molding spaces Fill the molding sand inside; the upper and lower extrusion devices enter the upper and lower molding spaces and squeeze the molding sand in the spaces respectively, and a pair of molding upper boxes, molding lower boxes and double-sided templates return to the horizontal state; After the pair of mold-making upper boxes and mold-making lower boxes are separated from the double-sided templates, the double-sided templates are pulled out from the pair of mold-making upper boxes and the mold-making lower boxes; during the above process, if necessary, After the core is set inside the casting mold, the mold-making upper box and the mold-making lower box containing the casting mold are matched with each other; the casting mold is pulled out from the matched pair of mold-making upper box and mold-making lower box.

The invention provides a self-locking cutter quick exchange device which comprises a fixed claw and a movable claw. The middle of the fixed claw and the middle of the movable claw are in rotatable connection through a pin roll. A spring is arranged between one end of the fixed claw and one end of the movable claw, the other end of the fixed claw is of an arc-shaped fork shape, and a protrusion which is matched with a groove in the outer periphery of a cutter handle is arranged on the inner side of the other end of the fixed claw. The other end of the movable claw is provided with a hanging claw which is matched with a groove in the end face of the cutter handle and an anti-rotating boss which is matched with the an anti-rotating groove which is formed in the end face of the cutter handle, a collision head is arranged on the side face of the movable claw, and the collision head extends to the other side from a center hole in the fixed claw (1). According to the self-locking cutter quick exchange device, the cutter exchange time is short when a cutter is exchanged, the auxiliary time is shortened, the working efficiency is improved, the structure is simple due to few parts, the occupied space is small, and breakdowns can not happen easily.

An injection head (10) is described for a corrugator which is intended for the production of plastics pipes. The injection head (10) has a main head (12), a nozzle body (14) and a mouthpiece means (16) with at least one mouthpiece (32, 36). The main head (12) is embodied with first channels (50, 52) and the nozzle body (14) is embodied with second channels (58, 60) which are flow-connected to the first channels (50, 52). The/each mouthpiece (32, 36) has a central body (74, 76) and a sleeve body, (78, 80) surrounding said central body. On its lateral surface (82, 84) facing the sleeve body (78, 80), the central body (74, 76) is embodied with wound plastics distributor grooves (86, 88) which are flow-connected by means of connecting portions (114, 120) to a concentric annular groove (112, 116) which is formed on the reverse surface (90, 92) of the central body (74, 76) and into which the second channels (58, 60) of the nozzle body (14) discharge.

The invention belongs to the field of laser machining equipment and particularly relates to an exchange device for an elevated worktable of a laser cutting machine. The exchange device comprises a fixed guide block and a slideway assembly, wherein one end of the slideway assembly is fixedly connected to the fixed guide block, a first chain wheel is arranged on one side of the fixed guide block and is movably connected to the slideway assembly, one end of the slideway assembly is movably connected to a second chain wheel, chains are connected to the first chain wheel and the second chain wheel, and two ends of the chains are fixedly connected to a lower traction guide ball and an upper traction guide ball, respectively. According to the exchange device for the elevated worktable of the laser cutting machine provided by the invention, the worktable which rises and falls is guided by the fixed guide block and the traction guide balls simultaneously; the worktable dragged by the traction guide balls displaces left and right to alternately arrive the working position, so that the worktable rises and falls. The moving distance is precisely controlled by a servo motor and a coder, and meanwhile, accelerating and decelerating regions are reasonably arranged at the same time. The exchange device is simple in structure and short in exchange time, and the work efficiency of the equipment is greatly improved.

Plate-shaped, chemically prestressed glass articles as well as methods for producing such chemically prestressed glass articles are provided. The glass article has a glass with a composition comprising SiO₂, Al₂O₃, and Li₂O and a set-drop strength from 50 to 150. The glass has at least one feature selected from: a sodium exchange depth, a storable tensile stress, a network former content of at least 82 wt %, a content of alkali oxides of at most 12 wt %, a content of alkali oxides of at most 10 wt %, and any combinations thereof.