24results about How to "Guaranteed vacuum" patented technology

The utility model relates to the field of high-temperature heat pumps, in particular to a vacuum dust removal cloth bag for production of gigging cloth, which comprises a shell and is characterized in that the right end of dust removal cloth is fixedly connected with an installation device, the right end of the installation device is detachably connected with a fixing device, and the left end of the dust removal cloth is fixedly connected with a dust removal device. The left end of the dust removal device is in threaded connection with a rotating device, a vacuum pump is arranged at the left end of the rotating device, the output end of the vacuum pump is fixedly connected with the left end of the rotating device, a cleaning device is arranged on the right side of the dust removal cloth, and the mounting device comprises a fixing ring of which the center is fixedly connected with a sealing gasket; the fixing device comprises a fixing shell. According to the vacuum dust removal cloth bag for production of the gigging cloth, the mounting device, the fixing device, the dust removal device and the rotating device are mutually matched for use, so that the structure can achieve an efficient and convenient dust removal effect, and the whole structure is mutually matched for use, so that the device is more convenient and efficient.

This utility model discloses a carbon-coated composite current collector preparation device capable of uniformly depositing aluminum plating. This utility model relates to the field of composite current collector technology and includes a base. A coating mechanism and a plating mechanism are arranged on the top of the base. The plating mechanism includes a coating machine housing mounted on the base, containing a coating machine, and a controller mounted on the outside of the coating machine housing. The coating mechanism includes a vacuum coating chamber mounted on the base. By providing sealing components on both sides of the substrate entry and exit slots, the substrate can pass through the slots and be sealed, preventing gas molecules from entering the vacuum coating chamber and ensuring the vacuum of the vacuum coating chamber. This prevents impurities from settling on the substrate, which would affect the deposition of aluminum evaporation products on the substrate, thus allowing for uniform aluminum plating deposition on the substrate.

The utility model provides a packaging box for electronic optical lens cones, which comprises a box body, a box cover, a box cover and a box cover, and an equipment cavity for accommodating the electronic optical lens cones is arranged in the box body; the controller is arranged on the box body and is configured to be electrically connected with a vacuumizing device of the electron optical lens cone so as to control the vacuumizing device; and the power supply device is arranged on the box body and is configured to supply power to the controller and the vacuumizing device. According to the packaging box, in the transportation process of electronic optical lens cones such as the electronic optical lens cones, on the basis that the safety of hardware structures is guaranteed, the influence of external interference on the lens cones, especially vibration interference, can be greatly reduced; in addition, the electronic optical lens cone can effectively guarantee high vacuum for a long time, so that a machine can be quickly reset at a client conveniently, the installation time is shortened, and the recognition degree at the client is enhanced.

The utility model relates to glass welding technical field and disclose a kind of glass welding vacuum jig, including base, the top of base is equipped with fixed base, the both sides outer wall of fixed base is fixedly connected with the connecting block of symmetrical distribution, when installation, the output shaft rotation of motor drives bidirectional screw rod rotation and further drives movable plate to move, movable plate moves through connecting rod and drives pressing plate, and further make pressing plate close to fixed base, when positioning plate and fixed base contact, fixed base makes positioning plate move and enter into recess, first spring deformation, glass body along positioning plate enters fixed base, until two groups of glass body are pasted, at this time, the cavity is sealed by first sealing gasket and second sealing gasket, start vacuum pump, vacuum pump carries out vacuumizing in the cavity through conduit, it is convenient to install, ensure that the glass to be welded between is vacuum state, make two layers of glass to be welded stick tighter to reach better welding effect.

The invention belongs to the technical field of string adjustment, and particularly relates to a violin string tension adjustment control device which comprises an adjustment chamber, adsorption units are symmetrically arranged at one end of the adjustment chamber, positioning units are arranged on the sides, close to the adjustment chamber, of the adsorption units, an adjustment unit is arranged on one side in the adjustment chamber, and a feedback unit is arranged on one side of the adjustment unit. Through the lifting effect of the electric telescopic rod and the face-to-face or back-to-back movement between the idler wheels, lifting and sudden release of strings are achieved, then radial jumping of the strings is degraded and buffered through the multi-degree-of-freedom string roller, dominant impact between the lower electrode cap and the electrode ball is controlled through the prying roller short section, and therefore the electrode ball can be driven to move stably and stably. The high-frequency impact state between the strings and the long section of the prying roller is expressed, that is, impact feedback of the strings in a low-frequency state is explicitly and prominently expressed through an extended range, the change of tension is accurately sensed, excessive or insufficient adjustment is avoided, the overall tone balance is optimized, and the harmony degree and expressive force of the tone of the violin are improved.

The utility model discloses a vacuum thermal insulation hot air heating smoking set. The vacuum thermal insulation hot air heating smoking set comprises an electromagnetic coil assembly and a vacuum thermal insulation heating module. The electromagnetic coil assembly comprises a tower type electromagnetic coil with the radius gradually increasing from top to bottom. The vacuum thermal insulation heating module comprises a smoke cup and a thermal insulation sleeve, and a vacuum space is formed between the outer wall of the smoke cup and the inner wall of the thermal insulation sleeve; the electromagnetic coil assembly is arranged on the periphery of the vacuum thermal insulation heating module in a sleeving mode. According to the vacuum thermal insulation hot air heating smoking set, the utilization rate of the cigarette core is increased; the service life of the smoking set is prolonged.

The application discloses a kind of forging station automation unloading and loading device and control method thereof, it is related to the technical field of automation conveying, including base and mechanical arm, one end of mechanical arm is connected with base by moving platform, and the other end of mechanical arm is provided with actuating mechanism, rotating drive element is arranged in the moving platform, and the rotating drive element is connected with base by transmission unit, compared with the current forging station automation unloading and loading device of the present application is provided with locking mechanism, effectively resists the platform micro-motion or deviation caused by load eccentricity, inertia impact and forging process vibration, while avoiding the fixed counterweight structure set in traditional equipment for balancing moment, significantly reduce the overall weight of equipment, reduce driving energy consumption, secondly, the layout of the present application can be flexibly adjusted by first linear drive element and second linear drive element Suction solid component in actuating mechanism, so as to adapt to the production demand of multi-specification forging product.

A non-standard vacuum insulation panel includes a vacuum insulation panel and an organic insulation panel. The organic insulation panel has a recessed portion in the middle for the vacuum insulation panel to be inserted. The vacuum insulation panel is placed into the recessed portion, and during installation, it is bonded to the organic insulation panel using polyurethane adhesive to improve the fixing effect. The depth of the recessed portion is not less than 20mm, and the thickness of the vacuum insulation panel is 5-8mm less than the depth of the recessed portion. Therefore, after the vacuum insulation panel is placed into the recessed portion, there is a gap between the upper surface of the vacuum insulation panel and the upper surface of the organic insulation panel, enhancing the thermal insulation effect of the wall. This invention, through this combined structure of the vacuum insulation panel and the organic insulation panel, ensures excellent thermal performance of the components while facilitating the integrity of the components during construction. It meets the requirements of high-efficiency energy-saving walls while reducing the cost of the composite panel.

The utility model discloses a high-density closed felt structure which comprises a flannelette surface layer, a flannelette core layer, a flannelette bottom layer, a first base cloth layer and a second base cloth layer, the first base cloth layer comprises first warp yarns, second warp yarns and first weft yarns; third weft yarns corresponding to the first warp yarns in the first base cloth layer and the second base cloth layer are arranged in the flannelette core layer; flannelette water absorption cavities are formed among the first weft yarns, the second weft yarns and the third weft yarns; the high-density base cloth layer is formed by the first warp yarns, the second weft yarns and the first weft yarns of the first base cloth layer and the second base cloth layer, so that more water can seal gaps of the coarse cotton cloth, the coarse cotton cloth is more closed and airtight, the vacuum degree of vacuum equipment is conveniently kept during vacuum dewatering, dewatering of the coarse cotton cloth is more sufficient, the dryness of the coarse cotton cloth is improved, and the service life of the coarse cotton cloth is prolonged. And flannelette water absorption cavities are formed among the first weft yarns, the second weft yarns and the third weft yarns, so that the water absorption capacity is effectively improved, and the dryness of the paper sheet is improved.

The utility model discloses a high-power waveguide sealing connection structure for an electron accelerator, which comprises a front straight waveguide, a rear straight waveguide, a flat flange, a double-groove type flange and a metal gasket, and the corresponding end faces of the front straight waveguide and the rear straight waveguide are respectively connected with the flat flange and the double-groove type flange. The flat flange and the double-groove type flange are connected with each other through respective sealing end surfaces; an annular stepped groove is formed in the sealing end face of the double-groove type flange, surrounding edges are arranged inside and outside the stepped groove, the stepped groove comprises a positioning groove and an auxiliary groove, the metal gasket is provided with a protruding annular positioning frame, the metal gasket is arranged between the flat flange and the double-groove type flange in a cushioned mode, and the positioning frame is connected with the positioning groove in a matched mode. According to the utility model, the sealing problem of high-power waveguide installation is solved, good electric contact of the butt joint plane of the two waveguide metal flanges during high-power microwave transmission operation is realized, high-power microwaves are prevented from escaping, vacuum in the waveguide is ensured, and stable transmission of the high-power microwaves is ensured.

A telescopic blanking device comprises an upper joint, an upper sealing mechanism, an inner sleeve, an outer sealing cover, an outer mounting seat, a lower sealing mechanism, a lower joint, a discharge box, and a vacuumizing mechanism. The upper joint, the inner sleeve, and the lower joint form a blanking passage. The upper end of the upper joint is fixedly connected with the bottom of a furnace body. The upper sealing mechanism is arranged on the upper joint to control the opening and closing of the blanking passage. The upper end of the inner sleeve is sleevedly connected with the upper joint in a transition fit. The outer sealing cover is located outside the inner sleeve. The two ends of the outer sealing cover are sealingly connected with the outer mounting seat. The outer mounting seat is sleevedly connected with the inner sleeve. The inner sleeve can slide relative to the outer mounting seat. The lower end of the inner sleeve is sleevedly connected with the lower joint in a transition fit. The present application also provides a high-temperature vacuum sintering furnace provided with the telescopic blanking device. The present application also provides a sealed blanking method using the telescopic blanking mechanism for blanking.

The application relates to the technical field of mechanical manufacturing, in particular to a transfer manipulator of an injection molding machine, which comprises a mechanical arm, a vacuum control assembly is arranged on the mechanical arm, the vacuum control assembly is a shell structure provided with an air inlet, a vacuum pipe, a cavity and an exhaust pipe, a gas supply source is connected to the air inlet, a suction disc is arranged at the lower end of the vacuum pipe, and the suction disc is provided with a gas guide groove in the axial direction. The injection molding product surface is cleaned before the transfer manipulator of the injection molding machine transfers the injection molding product by utilizing the reversible air channel and the elastic element to cooperate with the gas inertia to make the gas generate a short recoil movement and impact the injection molding product surface, the injection molding product is transferred after the cleaning is completed, the surface cleanliness of the injection molding product is ensured, and the working stability of the transfer manipulator of the injection molding machine is improved.

The utility model discloses a vacuum cooling system for tea pigment production. The vacuum cooling system comprises a base; the rack is arranged on the base; the air inlet tank is arranged on the rack; the cooling tank is arranged on the rack, and the air inlet tank is communicated with the cooling tank; and the vacuum gas storage tank is communicated with the cooling tank. In the tea juice concentration process, the vacuum pump extracts high-temperature steam from the concentration evaporator to maintain the vacuum degree in the concentration evaporator and reduce the boiling point of tea juice in the concentration evaporator, so that the energy required by tea juice concentration is reduced. High-temperature steam pumped out of the concentration evaporator by the vacuum pump firstly enters the air inlet tank and then enters the cooling tank through the air inlet tank to be cooled, and after being fully cooled in the cooling tank, the high-temperature steam is discharged into the vacuum air storage tank and flows into the vacuum pump through the vacuum air storage tank. Through the steps, high-temperature steam can be effectively prevented from directly flowing into the vacuum pump, large temperature rise of the vacuum pump is avoided, the vacuum degree of the vacuum pump is improved, and the service life of the vacuum pump is prolonged.

This invention discloses a large-scale multi-worktable vacuum isothermal forging equipment and a continuous production method. The equipment includes: a hydraulic press, N worktables, slide rails, an isothermal material supply assembly, and N+1 vacuum pump sets. One side of the hydraulic press is adjacent to the isothermal material supply assembly, and the other side is equipped with a slide rail. The N worktables are all slidably mounted on the slide rails. N preheating and cooling stations are set on the slide rails. Each worktable has a forging chamber. The forging chamber contains a mold and a heating element. During isothermal forging, one worktable moves along the slide rail to the bottom of the hydraulic press and connects to the isothermal material supply assembly under vacuum. At this time, the worktable at the bottom of the hydraulic press is located at the forging station. The other worktables are located at their respective preheating and cooling stations. Vacuum pump sets are correspondingly set at the N preheating and cooling stations and the forging stations to evacuate the forging chambers of the corresponding worktables. This invention can improve forging efficiency.

This invention provides a stainless steel composite plate and its preparation method, belonging to the field of metallurgical process technology. The stainless steel composite plate includes a substrate and a composite material, which are stacked. A plurality of air guide grooves are provided on the side of the substrate facing the composite material. These air guide grooves are areas on the substrate for bonding with the composite material and extend along the length of the substrate. The air guide grooves converge at one end, and a vertical hole is provided on the substrate at the converging end of the air guide grooves, communicating with the air guide grooves through the vertical hole. A horizontal hole is provided on the end face of the substrate, communicating with the vertical hole, and the exposed end of the horizontal hole is adapted to communicate with a vacuum extraction device. By providing air guide grooves on the bonding surface of the substrate for bonding with the composite material, the stainless steel composite plate of this invention can improve the vacuum extraction effect and ensure the vacuum degree between the two plates during vacuum extraction.

The invention relates to the technical field of artificial diamonds, in particular to a diamond MPCVD resonant cavity which comprises an upper shell, a lower shell and a quartz cavity. An edge pressing part is arranged below the cylindrical part of the quartz cavity, and the upper shell is matched with the lower shell to clamp and seal the edge pressing part; a clamping part is arranged at a connecting port, matched with the water-cooled antenna, above the cylindrical part, the water-cooled antenna comprises a pressing plate and a conical antenna disc, the conical antenna disc is matched with the pressing plate to clamp and seal the clamping part, and the edge pressing part and a clamping part sealing ring are both cooled in an air cooling and water cooling synergistic mode. According to the invention, an external force clamping connection fixing mode is adopted, so that the sealing performance of connection is ensured, the problem that the electric field intensity at the edge of quartz is increased due to the poor sealing effect of a traditional sealing mode is avoided, and only one strong electric field capable of exciting plasmas exists in the quartz cavity; and the sealing ring is effectively prevented from being overheated in a water-cooling and air-cooling synergistic cooling mode, and the positive effects of ensuring stable operation of equipment and improving the production efficiency are achieved.

The utility model relates to the technical field of superconducting magnet cooling, and discloses a liquid-helium-free superconducting magnet cooling device which comprises an installation disc, the inner wall of the installation disc is fixedly connected with a magnet container body, the outer wall of the installation disc is fixedly connected with an electric push rod, and the output end of the electric push rod is fixedly provided with a sliding block. A sliding strip is slidably connected to the outer wall of the sliding block, the upper surface of the sliding strip is fixedly connected to the inner wall of the magnet container body, a sealing disc is fixedly connected to the outer wall of the sliding block, the inner wall of the rotating ring is rotatably connected to the inner wall of the magnet container body, and a sealing assembly is arranged on the inner wall of the sealing disc; the sealing assembly is used for maintaining the vacuum environment of the equipment. According to the utility model, the sliding block is pushed and pulled through the electric push rod, so that the sliding block drives the sealing disc to slide, and the effects of keeping the vacuum degree around the magnet, enabling the magnet to be in a low-heat-conduction environment, maintaining a low-temperature state and reducing the refrigeration burden of a refrigerator are achieved.

The utility model discloses a dust collector structure with double rolling brushes, which is characterized in that a first rolling brush is rotatably arranged on one side close to an air duct opening in a working bin and is connected with a driving unit, a second rolling brush is arranged on one side far away from the air duct opening in the working bin and is arranged side by side with the first rolling brush, and the lower end position of the second rolling brush is not higher than the lower end position of the first rolling brush; the second rolling brush comprises positioning blocks, a rotating shaft, a brush body and supporting wheels, the rotating shaft is rotatably arranged between the pair of positioning blocks, the brush body is arranged on the rotating shaft in a sleeving mode, the pair of supporting wheels is arranged on the rotating shaft in a sleeving mode and located on the two opposite sides of the brush body respectively, and the pair of positioning blocks are arranged on the machine body. The first rolling brush is mainly used for collecting dust, the second rolling brush has a good sealing effect in the rotating process, the vacuum degree in the working bin can be guaranteed, the whole double-rolling-brush dust collector structure is compatible with a floor and a carpet at the same time, particles with large particle sizes can enter the working bin, and the working efficiency is improved. And particles with large particle sizes can be cleaned.

This utility model relates to the field of dried plum storage and preservation, and in particular to a dried plum refrigeration and preservation device, including a cabinet and several sliding plates. Four slots are evenly distributed on each sliding plate, and preservation boxes are fitted into the slots. Dried plums are stored separately in different preservation boxes to avoid mixing and affecting the taste. Each preservation box has a sealing lid with a vacuum vent at the top, creating a vacuum-sealed environment inside and extending the preservation time. A refrigeration chamber is located at the top of the cabinet, and refrigeration units are fixedly installed on both sides of the inner wall of the refrigeration chamber to maintain a low temperature inside. The preservation boxes can be easily removed for replacement and cleaning by holding the second handles on both sides.

The invention relates to the technical field of vacuum treatment, and particularly discloses a plasma generating device which comprises a plasma generating assembly and a sealing assembly, the plasma generating assembly comprises an excitation source, a connecting line, a discharge electrode and a dielectric tube, and one end of the discharge electrode is electrically connected to the excitation source through the connecting line; the dielectric tube is sleeved outside the discharge electrode; the dielectric tube and the discharge electrode sequentially and unidirectionally penetrate through the first opening and the second opening of the mounting flange along the first direction; the sealing assemblies are arranged between the outer wall of the dielectric tube and the inner wall of the first opening and between the outer wall of the dielectric tube and the inner wall of the second opening in a sealed mode. The plasma generating device generates the low-temperature plasma with uniform density along the extension direction of the discharge electrode, the discharge electrode is not easy to form standing waves, and two ends of the discharge electrode are arranged outside the vacuum treatment chamber, so that the plasma is wide in acting range and high in uniformity, and the application in the field of large-area vacuum treatment is met.

The utility model discloses a multi-effect energy-saving optimization device for comprehensively improving the vacuum of a condenser, which comprises a condenser main body and a cooling pipe, and the cooling pipe is arranged in the condenser main body; the cleaning assembly comprises a first fixing frame, rotating holes, a lead screw and a movable ring, the first fixing frame is fixed to the middle of one side of the condenser main body, the first fixing frame is communicated with the interior of the condenser main body, the rotating holes are formed in the two sides of the outer surface of the first fixing frame, and the lead screw rotationally penetrates through the interior of the rotating holes; the movable ring penetrates through the outer surface of the lead screw in a threaded mode, a motor is fixed to one end of the lead screw, a supporting table is fixed to the lower surface of the motor and fixed to one side of the first fixing frame, and a scraping plate is fixed to one side of the movable ring and penetrates through the lead screw in a sliding mode. The scraper blade is driven by the motor to clean impurities, the heat exchange effect of the condenser can be guaranteed, steam is cooled and condensed in time, the proper vacuum degree in the condenser is maintained, and stable operation of a system is guaranteed.

This utility model provides a vacuum treatment device based on membrane contactor deoxygenation technology, relating to the field of membrane contactor deoxygenation technology. It includes: a fixed frame, with a vacuum treatment mechanism mounted on top of the fixed frame. The vacuum treatment mechanism includes a Roots pump, a water ring pump, a gas connection pipe, and a steam outlet pipe. A gas-liquid separation mechanism is also mounted on top of the vacuum treatment mechanism, including a steam outlet pipe, a separation container, an inlet baffle, a wave deflector, an exhaust pipe, a drain pipe, an internally threaded fixed pipe, a threaded connection pipe, a filter pipe, and an activated carbon filter element. This utility model uses a combination of a Roots pump and a water ring pump for vacuum treatment, eliminating the need for a traditional single pump body. This ensures a high vacuum level even at high water temperatures in summer, while reducing energy consumption under the same vacuum requirements. The detachable filter pipe facilitates secondary filtration and allows for easy replacement and disassembly of the filter pipe.

The utility model discloses a kind of gas-liquid mixed transmission synchronous self-priming pump structure, belong to self-priming pump technical field, comprising: centrifugal pump, its front end is provided with siphon tank, several steady flow baffle are provided in the siphon tank, exhaust port and water filling port are provided on the siphon tank, the siphon tank bottom is provided with drainage tube, liquid discharge pipe and liquid delivery pipe, the liquid delivery pipe is connected in the centrifugal pump water inlet;And gas-liquid separation chamber, it is connected at the centrifugal pump outlet.The utility model is by being provided with siphon tank, so that every time before starting does not need special water diversion operation, and also can achieve pump and simultaneously realize to send medium, ordinary self-priming pump after starting pump can only empty air and not self-priming time of water.

The utility model relates to the technical field of pressing plate type wood vacuum drying, and disclose a kind of pressing plate type wood vacuum drying machine, including base, the drying box of base upper side fixed connection, the lid door of drying box one side rotationally connected, the slide rail of drying box inside fixed connection, drying box inside is provided with one-way water transfer mechanism and extrusion water mechanism, the extrusion water mechanism is arranged on the upper side of one-way water transfer mechanism, the one-way water transfer mechanism includes support plate, and the support plate is fixedly connected in drying box upper side inside, the support plate inboard is fixedly connected with support cylinder, the support cylinder one end upper side is provided with sliding slot, the support cylinder one end outside is provided with air hole, the support plate inside is fixedly connected with condenser pipe, the one-way water transfer mechanism is used to transfer the water generated by extrusion water mechanism extrusion sponge, so that water can be sealed after being separated, the extrusion water mechanism is used to extrude the water condensed from condenser pipe and absorbed by sponge, so that wood can be quickly dried.