17 results about "Tube suction" patented technology

The invention provides a rheological test-based liquid food suction tube suction difficulty prediction method, which comprises the following steps of: measuring a characteristic flow curve of a liquid food sample through a steady-state flow test, respectively carrying out Carreau-Yasuda model or Casson model (if the liquid food sample is a yield fluid) fitting, calculating to obtain a suction tube predicted flow Qc, then carrying out Herschel-Bulkley model fitting to obtain a consistency index Kh, and calculating the suction tube suction difficulty of the liquid food sample through the consistency index Kh. The power law index is n, and the Herschel-Bulkley yield stress is tau h (if the fluid is yield type fluid). Tau R is calculated according to a pipe flow equation and substituted into a Herschel-Bulkley model, the shearing rate # imgabs0 # and the corresponding apparent viscosity # imgabs1 # are obtained, then the pipe suction difficulty of the liquid food suction pipe is predicted through a constructed prediction model # imgabs2 #, a traditional sensory evaluation method is replaced, and a new thought is provided for research, development and decision making of a food enterprise.

The invention belongs to the technical field of filter tube suction filtration, and discloses a filter tube mold, wet demolding equipment and a demolding method.The filter tube mold comprises a mandrel, air expansion sleeves and perforated plates, the multiple air expansion sleeves are connected to the outer side of the mandrel in a sleeving mode, the multiple perforated plates are arranged on the outer side of the mandrel in a surrounding mode after being spliced, the perforated plates are connected to the air expansion sleeves, and the air expansion sleeves can control radial shrinkage and expansion of the perforated plates. The wet demolding equipment comprises a filter pipe mold, a movable seat, a drying bracket, a clamping seat and a ground rail, the filter pipe mold sleeved with a filter pipe can be erected on the drying bracket, one end of a core shaft in the filter pipe mold is clamped on the clamping seat, the drying bracket is fixed on the movable seat, the movable seat is arranged on the ground rail in a sliding mode, and the ground rail is arranged on the ground rail. The movable seat can drive the drying bracket and the filter pipe to move back to the clamping seat, so that the filter pipe is separated from the filter pipe mold. Through the simple structure, wet demolding of the filter pipe after forming is achieved, the production efficiency and the product quality are improved, meanwhile, the filter pipe cannot be damaged, and the filter pipe demolding device can be suitable for demolding of filter pipes of different sizes.

The utility model relates to a bobbin replacing mechanism of a textured yarn machine. The bobbin replacing mechanism comprises a rack, a bobbin creel, a mechanical arm, a waste suction bobbin, scissors and a shifting rod assembly. Wherein the bobbin creel is mounted at the upper part of the rack and can turn over up and down; the manipulator is located above the bobbin creel and can convey bobbins to the bobbin creel, and the bobbins can be clamped on the bobbin creel; the waste suction bobbin, the scissors and the deflector rod assembly are sequentially arranged in front of the bobbin creel; the waste suction bobbin can generate negative pressure, so that yarns can be continuously sucked into the waste suction bobbin; the waste yarn suction pipe can rotate to the position above the shifting rod assembly. The scissors can cut off the yarns; the shifting rod assembly can rotate in the front-back direction and can shift the yarn to the bobbin creel. The tube replacing mechanism of the textured yarn machine has the advantages of being simple in structure, high in automation degree, capable of discharging waste yarn in time and the like.

The utility model discloses a low-space frame type lifting appliance device applied to a three-cylinder suction jacket. The low-space frame type lifting appliance device comprises two upper beams, two flange connecting beams, two end beams, seven pin shafts and six bolts, rope hanging pin shafts are arranged at two ends of the upper beam and are used for connecting a hanging belt of a floating crane hook. The upper beams are fixedly connected through flange connecting beams and bolts, and one flange connecting beam is provided with a rope hanging point used for being connected with a lifting lug at the top of a jacket. The two end beams are respectively arranged on two symmetrical sides of the upper beam, and the lower part of each end beam is provided with a sling pin shaft on which a sling can be wound and is connected with a lifting lug at the top of the jacket through the sling. The four hanging rope pin shafts in the device can balance a lifting hook of a floating crane ship to enable the lifting hook to be evenly stressed, and a triangular plane formed by the lower pin shafts corresponds to three lifting lugs in an upper platform of a jacket one by one, so that the bearing capacity in the jacket hoisting period can be met, and the distance between a main hook of the floating crane and the upper platform of the jacket is reduced as much as possible.

A method and a device for preparing a fluoride glass optical fiber preform by a tube suction method are provided. The method includes following steps: S1, heating and melting glass raw materials of outer cladding, inner cladding and a fiber core; S2, sucking to prepare the outer cladding; S3, sucking to prepare the inner cladding inside the outer cladding; S4, sucking to prepare the fiber core inside the inner cladding; and S5, annealing the outer cladding, the inner cladding and the fiber core to obtain a preform product.

The utility model relates to the technical field of insect feeding devices, in particular to a fruit fly toxicity measuring device which comprises a tank body, a cover, a Pasteur suction tube suction bag, a partition plate and a gauze sleeve, solves the problem that an existing fruit fly toxicity measuring device is low in error-tolerant rate, and improves the space utilization rate and the experiment efficiency. According to the utility model, the Pasteur pipette suction bag is arranged on the cover, and the opening end of the Pasteur pipette suction bag extends into the tank body for the fruit flies to suck, so that the interference of contact killing can be reduced, and the stomach toxicity of the medicament can be accurately measured. By arranging the partition plates, the tank body is divided into a plurality of insect feeding areas, male and female measurement or multi-gradient concentration measurement can be carried out on the same device, the number of measurement devices is reduced, and the space utilization rate is increased. The insect placing and taking opening is formed in the lower part of the tank body, and the gauze sleeve is arranged at the insect placing and taking opening, so that male and female partition test sampling and sampling operation at different toxicity time are facilitated, the practicability is enhanced, and the error-tolerant rate of the device is improved.

A kind of suction tube, suction system and powder spraying chamber;Suction tube is provided with suction inner cavity along the height extension direction;The side of suction tube is provided with multiple sections of tube suction port from low to high respectively, multiple tube suction ports are arranged in line in turn, and tube suction port is the input end of suction tube;Wherein two tube suction ports distributed in upper and lower are spaced apart to form the empty side;The side position of suction tube is provided with tube air outlet, tube air outlet is located outside the empty side, tube air outlet is horizontally aligned with the empty side, and tube air outlet is the output end of suction tube;Tube suction port, suction inner cavity and tube air outlet are communicated.This scheme can unify and quickly recycle powder of multiple height positions of powder spraying chamber, the suction volume of powder spraying chamber is smaller, power consumption is lower, and the situation that other positions are difficult to inhale powder due to excessive local air volume is prevented.

The invention relates to the technical field of sample storage, in particular to a self-guiding cryopreservation tube suction head based on a linear motor, which comprises a base, a connecting seat, the linear motor and a righting assembly, and the righting assembly comprises a gas rod, a cold guiding tube and a gas nozzle ring; the linear motor comprises a stator and a rotor, the stator is fixed to the bottom of the connecting base, the rotor is fixed to the top of the base, and the stator penetrates through the rotor in a sliding mode; the upper portion of the air rod is fixed to the connecting base, and the lower portion of the air rod sequentially penetrates through the base and the cold guide pipe and extends below the cold guide pipe. Through cooperation of the air tap ring and the cold guide pipe, the air tap ring can preliminarily correct the cryopreservation pipe when making contact with the cryopreservation pipe, the cryopreservation pipe is flexibly clamped through the air tap ring, the deflection risk caused by point contact is reduced, the cryopreservation pipe is straightened in the whole process in the lifting process through the cold guide pipe, deflection of the cryopreservation pipe in the transferring process is avoided, and the safety of the cryopreservation pipe is improved. The air channel is extended through the air rod, the air source is far away from a low-temperature area, and the influence of low temperature on the vacuum system is reduced.

This invention belongs to the field of fiber tube forming technology, and discloses a ceramic fiber filter tube vacuum forming device and forming method. The ceramic fiber filter tube vacuum forming device includes a forming component, a tube removal component, and a material distribution component. The forming component includes a support drive component, a roller, a vacuum filtration component, and a forming roller. Two rollers are spaced apart, and the support drive component can drive the rollers to rotate. The vacuum filtration component is connected to the forming roller, and the forming roller has several filtration holes. The forming roller is located above the two rollers, and the two rollers and the forming roller are triangularly distributed. The diameter of the forming roller is adjustable. The tube removal component includes a tube removal drive component, which is connected to the forming roller and can drive the forming roller to move along its axial direction. The material distribution component is configured to rotate the forming roller and distribute slurry onto the forming roller. The forming method uses the above-mentioned ceramic fiber filter tube vacuum forming device to improve the surface quality and strength of the filter tube, while also improving production efficiency.

The present invention belongs to the technical field of optical fiber preform preparation, and more particularly relates to a method and apparatus for preparing a fluoride glass optical fiber preform using a pipetting method. The method comprises the following steps: S1, heating and melting glass raw materials for the outer cladding, inner cladding, and core; S2, preparing the outer cladding by pipetting; S3, preparing the inner cladding by pipetting within the outer cladding; S4, preparing the core by pipetting within the inner cladding; and S5, annealing the outer cladding, inner cladding, and core to obtain a finished preform. The fluoride glass optical fiber preform prepared by the present invention has the advantages of good core-cladding interface quality, low impurity contamination, uniform core diameter, and a simple preparation process, and can be used to draw low-loss fluoride glass optical fibers.

The utility model discloses a batch type removing and cleaning auxiliary device for EP pipes. The batch type removing and cleaning auxiliary device comprises a base table, a vertical lifting unit, a batch clamping unit, a visual sensor and a removing and cleaning processing unit. After the clear liquid is completely pumped, the handle can be manually lifted, and the elastic clamping head gets close to the middle under the action of the connecting rod, so that the clamping state of the elastic clamping head and the clamping groove is released, and the disc-shaped batch body is separated from the bearing body on the base table; and then, the bearing body can be coaxially fixed on the rotating shaft of the centrifugal machine in advance, namely, the disc-shaped batch-loading body can be directly clamped on the bearing body of the centrifugal machine, so that batch-type rapid clamping is completed, and the problems that in the prior art, centrifugal operation needs to be carried out after cleaning, and a conventional operation method is that the EP pipes are mounted on a loading table of the centrifugal machine one by one; and the process consumes a large amount of transfer time. In addition, through the batch type unified supernatant suction and discarding operation achieved by means of the supernatant removal processing unit, the EP pipe suction efficiency is substantially improved.

The utility model discloses a water surface foam collecting device for a shipborne breeding cabin, and relates to the technical field of shipborne breeding. A V-shaped guide plate; a central collection tank; a negative pressure suction pipe; according to the air-liquid separation device, a fan-shaped water flow layer is formed through a forked type water spraying structure, the coverage area can be greatly increased, the requirement for complete coverage of the water surface in a single culture cabin is met, and the air-liquid separation device is simple in structure, convenient to use and high in practicability. Compared with traditional single-tube suction and the prior art, the small-area coverage efficiency is obviously improved, meanwhile, energy consumption can be reduced, in addition, a hydrophobic coating can be coated on the V-shaped flow guide plate, the foam gathering speed is further increased, the overall treatment efficiency is improved, meanwhile, no mechanical stirring design is adopted, the fish stress reaction occurrence rate is reduced, and the production cost is reduced. And an eco-friendly foam collection and treatment mode is created.

A water cup with a straw comprises a water cup body and the straw. The water cup comprises a cup base, a cup body, a cup ring sleeve, a membrane and a cup cover, and the cup base plays a role in damping the water cup; the cup cover is fixed on the handle of the cup ring sleeve in a buckling manner, the cup ring sleeve is arranged on the cup body and has an anti-scalding effect, the handle ring is convenient for taking up the water cup, and a lug at the top of the cup cover can support an inclined object to prevent slipping; the diaphragm is arranged at the position of the straw hole of the cup cover and can prevent water in the water cup from flowing out from the straw hole; the suction tube comprises a tube body, a flexible tube suction nozzle and a ball; one end of the flexible tube suction nozzle extends into the tube body, the other end of the flexible tube suction nozzle is arranged outside the tube body, when the suction tube is cleaned, the flexible tube suction nozzle is pulled out of the tube body to quickly clean dirt in the tube body, and the connecting part of the tube body and the flexible tube suction nozzle is of a C-shaped structure; two ends of the hose suction nozzle are porous structures and are communicated with inner holes of the hose; the ball bead is located in the inner cavity of the pipe of the flexible pipe suction nozzle and used for controlling the flowing-out speed of liquid in the suction pipe in the water outlet hole.

The utility model discloses a double-station metal oxide semiconductor (MOS) tube pin cutting, chamfering and assembling mechanism, which comprises two MOS tube feeding devices, two first MOS tube feeding devices, two MOS tube staggered distributing devices, two MOS tube pin cutting devices, two second MOS tube feeding devices, two MOS tube pushing devices, two MOS tube chamfering devices, an X-axis module, a Y-axis module and an MOS tube sucking and assembling device, the MOS tube feeding devices are arranged in parallel downwards in an inclined mode, the chamfering portions of the MOS tube chamfering devices are in butt joint with the pushing-out portions of the MOS tube pushing devices, the X-axis module is arranged above one sides of the two MOS tube chamfering devices in parallel, one end of the Y-axis module is installed on the translation portion of the X-axis module, and the other end of the Y-axis module is installed on the translation portion of the Y-axis module. And the MOS tube sucking and assembling device is downwards arranged on the translation part of the Y-axis module. According to the utility model, a series of automatic operations such as automatic feeding, automatic pin cutting, automatic chamfering and automatic assembling of the MOS tubes can be realized, the efficiency is high, the operation is stable and reliable, the product quality can be improved, and the high-speed production requirements of enterprises are met.

The utility model provides a carrying mechanism which comprises a base, a butt joint box is fixedly connected to the top of the base, a butt joint groove is formed in one side of the butt joint box, a movable platform body is arranged on the inner top wall of the butt joint groove, and an electric telescopic rod is fixedly connected to the bottom of the movable platform body. The bottom of the electric telescopic rod is fixedly connected with an objective table. A half part of a wafer is placed in the object carrying groove, the vacuum pump is started, the vacuum pump can extract and suck air from the air suction pipe, then the air in the vacuum groove can be extracted, the adsorption opening is formed in the inner wall of the vacuum groove, and then air in the object carrying groove can enter the vacuum groove through the adsorption opening; according to the wafer positioning device, the wafer is placed in the loading groove, so that an adsorption acting force is formed in the loading groove, when a part of the wafer is placed in the loading groove, the adsorption acting force adsorbs the wafer, the wafer is positioned in the loading groove, and a workpiece does not need to be additionally arranged on the outer wall of the wafer in the wafer positioning process of the wafer positioning device.

The application provides a platelet-rich plasma preparation method, comprising: a centrifugal assembly with an inner cavity; and a suction assembly sleeved in the inner cavity of the centrifugal assembly; wherein the centrifugal assembly comprises: a centrifugal tube; a centrifugal tube sealing piston arranged in the centrifugal tube; and a centrifugal tube suction rod connected with the centrifugal tube sealing piston through a centrifugal tube piston connecting piece; and the suction assembly comprises: an inner suction tube; an inner suction tube sealing piston arranged in the inner suction tube; and an inner suction tube core rod connected with one end of the inner suction tube sealing piston. The platelet-rich plasma preparation method provided by the application is integrated with equipment, convenient to operate, and can effectively improve the stability, precision and concentration of platelet-rich plasma.

The utility model belongs to the technical field of sampling tube processing, and relates to a tubing suction tube device, which comprises a frame and a suction tube component mounted on the frame, the suction tube component comprises a displacement cylinder, a guide rod, a mounting seat, a suction tube cylinder, an adsorption seat and a suction nozzle, the guide rod and the displacement cylinder are mounted on the frame, and the displacement cylinder drives the mounting seat to move along the guide rod. The suction pipe cylinder is mounted on the mounting seat, a plurality of suction nozzles are arranged on the adsorption seat, the suction pipe cylinder controls the adsorption seat to move up and down, a pipe mounting assembly is arranged on the rack, the suction nozzles are used for adsorbing sampling pipes, conveniently and stably adsorbing the sampling pipes and are convenient to move, and the pipe fixing cylinder pushes out the pipe fixing plate and is used for limiting the sampling pipes and preventing the sampling pipes from toppling over. Therefore, the sampling tubes can be stably and orderly loaded into the tube rack.