11results about How to "Remove air" patented technology

The present invention provides a retractable drug perfusion stent system, which belongs to the field of medical device technology, and includes: an inner tube and an outer tube slidably sleeved on the inner tube, the proximal ends of the inner tube and the outer tube are connected with a pushing device; the distal end of the inner tube has a tip; a perfusion microtube, which is spiral-shaped and has micropores; a perfusion tube; and a drug delivery device. The retractable drug perfusion stent system provided by the present invention is provided with micropores on the perfusion microtube. After the perfusion microtube reaches the lesion position, the perfusion microtube is switched from a retracted state to an expanded state. At this time, the perfusion microtube is freed from the restriction of the outer tube, and expands itself to fit with the blood vessel wall and expand the target lesion. The drug delivery device inputs the drug into the perfusion microtube through the perfusion tube, and delivers the drug to the target lesion through the micropores of the perfusion microtube. This drug perfusion stent will not remain in the body. At the same time, this method will not block blood flow, and can also continuously deliver drugs and control the drug delivery time. The entire operation process is simple and easy to operate.

The invention belongs to the related field of two-section type liquid capsule filling and sealing technologies, and discloses a two-section type liquid capsule filling and sealing system which comprises a liquid filling unit and a sealing unit. The liquid filling unit comprises a filling main machine, a feeding module, a separating module, a smearing module, a liquid injection module, a capsule combining module and a capsule discharging module, wherein the feeding module, the separating module, the smearing module, the liquid injection module, the capsule combining module and the capsule discharging module are arranged on a working table face of the filling main machine. Capsules are sequentially transferred to the filling stations, and the liquid filling process is completed. The sealing unit comprises a sealing main machine, a feeding module, a laser welding module, a sealing discharging module and a discharging module, wherein the feeding module, the laser welding module, the sealing discharging module and the discharging module are arranged on a working table face of the sealing main machine. Capsules are sequentially transferred to the sealing stations, and the sealing process in an annular laser welding mode is completed. The invention further discloses a corresponding method. According to the invention, not only is the capsule sealing quality improved, but also the sequence transfer action of the capsule is reduced in the production transfer process, and finally, the qualified rate of liquid capsule finished products and the system efficiency are greatly improved.

The present invention discloses a photovoltaic glass preparation process and photovoltaic glass, comprising the following steps: S100, a front glass plate, a first adhesive layer, a plurality of thin film batteries, a second adhesive layer, a bus bar and a rear glass plate are sequentially assembled to form a reserved gap between adjacent thin film batteries, wherein a steel needle is inserted into the reserved gap through a port of the reserved gap; S200, a rolling device with a heating device is used to press the laminated glass; S300, the steel needle is removed, and the laminated glass is heated by an autoclave; wherein, before being transported to the autoclave and / or when the laminated glass is heated by the autoclave, the laminated glass is vacuumed. After the laminated glass is rolled, the steel needle is removed, and at this time, a vent hole is reserved at the edge of the laminated glass, so that the thin film battery can be fully evacuated through the vent hole, thereby avoiding the presence of a large number of bubbles during the production of the photovoltaic glass and ensuring the yield of the photovoltaic glass.

The utility model discloses a concrete vibration platform which comprises a main body module and a vibration module. The main body module comprises two symmetrically arranged bottom plates, elastic supporting legs fixed to the top ends of the bottom plates, a base fixed to the top ends of the elastic supporting legs, a driving piece installed at the bottom end of the base and stretching into the base, transmission pieces arranged in an inner cavity of the base in an annular array mode and meshed with the driving piece, and threaded sleeves connected to the transmission pieces in a sleeving mode. The limiting plates are arranged at the top end of the base in an annular array mode, the bottom ends of the limiting plates are fixedly connected with the threaded sleeves, the first vibration motors are symmetrically fixed to the bottom end of the base, the bottom plate is used for installing the elastic supporting legs, the stability of the elastic supporting legs is guaranteed, and the elastic supporting legs are used for installing the base and buffering vibration of the base; comprising a supporting rod fixed to the top end of the bottom plate and a first rubber air bag fixed to the top end of the supporting rod, and has the advantages of being good in vibration effect and high in practicability.

The invention relates to the technical field of high-frequency welding equipment, in particular to rotary file full-automatic high-frequency welding equipment which comprises a machine body, the machine body comprises an equipment box, and a workbench, a swing arm material taking work station, a file head feeding work station, a soldering flux work station, a soldering lug feeding work station, a handle feeding work station and a welding work station are arranged at the top of the equipment box. The swing arm material taking work station, the file head feeding work station, the scaling powder work station, the soldering lug feeding work station, the handle feeding work station and the welding work station are all arranged on the upper surface of the equipment box. The device is simple in structure, high in production efficiency and high in automation degree, the production cost is saved, meanwhile, the product welding concentricity is high, circumferential rotation is matched in the welding process, the welding uniformity is guaranteed, air generated in the middle of a welding seam during welding can be eliminated, the finished product quality is improved, in addition, workers do not make direct contact with high-temperature workpieces, and the safety of the workers is guaranteed.

The invention relates to the field of processing grease detection sampling, in particular to a sampling device for lubricating oil detection, which comprises two L-shaped supporting seats distributed in the left-right direction, an oil storage tank is supported between the two L-shaped supporting seats, a material pumping mechanism is mounted on the material storage tank, and a supporting mechanism and a scraping mechanism are arranged below the material pumping mechanism. The one-way valve principle is adopted during sampling of grease-shaped lubricating oil at different depths, the probability of contamination in the sampling process is effectively reduced, redundant grease-shaped lubricating oil is pushed back through the abutting-pushing plug after sampling is completed, it is avoided that the grease-shaped lubricating oil is placed in an oil pumping pipe for a long time to be contaminated, the sampling bottle shakes in a reciprocating mode through cooperation of the cam and the arc-shaped matching block, and the sampling efficiency is improved. The compactness of the grease-like lubricating oil is improved, reciprocating scraping work on the bottle opening of the sampling bottle is achieved in cooperation with movement of the scraper knife, the flatness and cleanliness of the bottle opening of the sampling bottle are improved, redundant grease-like lubricating oil is rapidly collected through the scraper knife, and the situation that the grease-like lubricating oil on the surface of the scraper pollutes the grease-like lubricating oil in the sampling bottle is avoided.

The utility model relates to extrusion granulation technical field especially relates to a kind of nanometer material compression granulation equipment, including base, the upper surface of base is fixedly installed with stand, the top of stand is fixedly installed with compression box, and the top of compression box is fixedly installed with material hopper, rotation is installed in the compression box with shaft, and the outer wall of shaft is fixedly installed with the stirring rod of equidistance annular distribution, first auger rod is also rotationally installed in the compression box, and first auger rod is located below the shaft, the outer wall of one side of compression box is fixedly installed with auger cylinder, and the end of first auger rod is located in auger cylinder. The utility model has obvious advantages, spraying and stirring synergistic accelerate material polymerization;First auger rod realizes preliminary extrusion plastic forming, densification;Second auger rod completes secondary extrusion with extrusion cylinder, accurately controls granule quality;Granulation mechanism can flexibly adjust granule size shape, high efficiency and stability, satisfy multi-field demand.

The invention relates to the technical field of hot-pressing edge sealing, and discloses a food packaging bag hot-pressing device which comprises a supporting frame and an electric push rod installed on the supporting frame, a sliding frame is installed at the lower end of the electric push rod, sliding blocks are slidably connected to the two ends of the sliding frame, and a hot-pressing plate is installed at one end of each sliding block. An adjusting column is slidably connected into the sliding block, and an adjusting device is installed at the lower end of the adjusting column and used for adjusting the position of the food bag. The conveying belt is used for guiding air to the periphery, so that the air is used for blowing the food packaging bag to float upwards, then the vertical plates are rotated to abut against the side edge of the food packaging bag, the two vertical plates are used for clamping the food packaging bag, and the food packaging bag is clamped by relatively sliding the two vertical plates. Therefore, the two vertical plates drive the food packaging bag to be close to the center line of the sliding frame, the hot-pressing center position of the deviated food packaging bag is adjusted, and the hot-pressing effect is improved.

The application discloses a kind of preparation process of fireproof composite board with metal core material, belong to composite board technical field, the present application includes the following steps: metal substrate is obtained by coating modified polyurethane adhesive, paving organic-inorganic composite flame-retardant material, to obtain composite board material, composite board material is formed by hydraulic pressure, to obtain fireproof composite board with metal core material;The present application is to sodium dodecyl benzene sulfonate modified corn starch, improve the dispersibility of adhesive, and design the modified adhesive of multiple epoxy groups to improve the bonding strength of preparation adhesive, vinyltriethoxysilane is modified with methacrylic acid dodecafluoroheptyl ester, improve the fireproof performance of coupling agent in flame-retardant material, so that the prepared composite board material has the characteristics of adhesive viscosity uniform, large bonding strength, and the excellent fire resistance of composite board material.

The utility model discloses an adsorption type carbon base compound fertilizer granulation device belongs to chemical fertilizer processing field. The utility model adopts technical scheme, an adsorption type carbon base compound fertilizer granulation device, including horizontal cylinder spare, still include: feeding mechanism, set up in the top of horizontal cylinder spare and communicate to the inner chamber of horizontal cylinder spare, the pivot is coaxial with horizontal cylinder spare and is set, and one end of pivot is equipped with the drive part, the material scraping blade is along pivot axial interval and is provided with multiple groups, and the material scraping blade has the material scraping board of being pasted with horizontal cylinder spare inner wall, the utility model can complete the quick breaking dispersion of large diameter massive material through the setting of material scraping blade cooperation stirring axle, and the efficiency of granulation is accelerated, through the setting of material scraping blade, material scraping board and horizontal cylinder spare inner wall can make small granule material complete the strength reinforcing effect of outer surface under the gravity effect of itself, and it is favorable to process small granule material into the spherical particle of the diameter size of being more consistent.

The invention provides high-density packaging equipment for emulsion explosive cartridges, and relates to the technical field of explosive charging machines. Comprising a protective shell, first hydraulic cylinders are fixedly connected to the top and the bottom of the interior of the protective shell, extrusion columns are fixedly connected to the movable ends of the first hydraulic cylinders, and second hydraulic cylinders are fixedly connected to the two sides of the interior of the protective shell; the movable ends of the two second hydraulic cylinders are fixedly connected with a first clamping plate and a second clamping plate correspondingly, a packaging bag is arranged between the first clamping plate and the second clamping plate, and the upper end and the lower end of the packaging bag are connected to the upper end and the lower end of the first clamping plate and the upper end and the lower end of the second clamping plate in a sleeving mode correspondingly. According to the explosive cartridge sealing device, by arranging the auxiliary assembly and the sealing assembly, when the explosive cartridge is sealed, bubbles in the middle of the explosive cartridge can be discharged, the situation that external air is sealed at the two ends of the explosive cartridge can be avoided, and explosives in the explosive cartridge can be more compact.