16results about How to "Consistent volume" patented technology

The invention discloses a centrifugal casting device for ultra-high temperature alloy parts, which relates to the technical field of centrifugal casting, and comprises a conveying mechanism, on which a casting port is provided during casting, and the conveying mechanism can gradually push the liquid casting into the interior of the casting mold; a rotary driving device, as a driving component of the entire device, can simultaneously rotate the mold and a conveying pipeline in the conveying mechanism; in the invention, the rotary conveying pipeline is used to make the casting solution consistent with the rotation speed of the mold during the casting process, effectively avoiding the scouring of the molding sand layer inside the mold by the casting solution, and improving the service life of the mold; at the same time, a pushing component is used to ensure that the volume of the casting solution poured from the pouring port is consistent within a unit time, ensuring that the casting solution is evenly distributed in the mold, and improving the quality of the finished product; when the casting work is completed, the mold will increase the rotation speed to further improve the quality of the final product.

The utility model relates to a kind of cotton fiber auxiliary sampling device, belong to fiber sampling detection equipment technical field.It includes handle and rotating sampling head and sampling rod, sampling head is threadedly connected in the lower end of handle, and it is matched with cotton bale, loose cotton or semi-finished cotton;Sampling rod is rotatably installed on handle, it is set through rotating sampling head, and sampling head is arranged in the lower end of sampling rod.This device is pre-pressed to cotton by the pressing plate of rotating sampling head lower end, limits the free movement of fiber in the collection process, avoids the physical damage caused by pulling or shearing.Sampling head adopts the structure with threaded screwing head, when rotating and screwing into cotton interior, it gently hooks fiber in the way of spiral propulsion, rather than forcibly scraping or clamping, effectively maintains the integrity of fiber original length and strength;Solved the existing existing sampling process due to artificial operation or simple tool causes fiber damage, sample arrangement disorder and sampling quantity inconsistency etc.

The application discloses an integrated safety recycling pen cap for an insulin pen and a use method, and aims to solve the problems of high risk of needle stick injury, poor universality and complicated operation in the process of disassembling and recycling the existing insulin needle. The application comprises a pen cap body, a guide piece and a force relieving piece coaxially arranged in the pen cap body, a pen top component with a top block slidingly connected to the cap top of the pen cap body, a telescopic piece with a reset function arranged between the pen top component and the guide piece, and a reinforcing piece penetrating through the circumference of the pen cap body. The guide piece is an outer equal-diameter cylindrical hole with an inner truncated conical hole structure, and the force relieving piece is an outer truncated conical rotary surface with an inner equal-diameter cylindrical hole structure with an axial anti-skid groove. The application can realize contactless disassembly and recycling of the insulin needle throughout the whole process, is suitable for different specifications of needles, has high structural integration and is easy to operate, and can completely avoid the risk of needle stick injury.

The utility model belongs to reagent filling automation equipment technical field discloses a kind of automatic canning machine for reagent filling, including base frame, index transmission system, filling unit, capping unit and gas-electricity integrated system, base frame is by bottom support cabinet and frame skeleton welding structure, and frame skeleton is layered truss structure;Index transmission system is integrated in base frame, and index transmission system includes feed conveyor belt and coaxial link's circular turntable, the edge of the circular turntable is provided with equal-angle arc limiting slot;The filling unit is fixed on the frame skeleton, and the filling unit includes storage hopper and the multiple-channel filling head connected, the end of the multiple-channel filling head is embedded with pneumatic ration valve, and the valve body of the pneumatic ration valve extends liquid injection pipe below.The utility model structure is strong in rigidity, and anti-vibration stable, and index transmission positioning is accurate, and multiple-channel pneumatic ration filling precision is high and anticorrosion, and vacuum chuck capping is reliable against falling off.

The utility model relates to the technical field of hopper, and disclose an anti -blocking unmanned hopper, including roof, the four corners of roof all are fixedly connected with support column, the top of roof is fixedly connected with material box, the bottom of material box is opened with the discharge gate, the bottom of discharge gate is provided with the open -and -shut spare, the outside of discharge gate is provided with the baffle, the four corners of baffle all with support column fixedly connected, the inside of material box is provided with the rubbing mechanism of preventing hopper to block, one side of material box is provided with the control mechanism of remote control function, not only can extrude the material in the material box and rub the crushing, make the volume of material tend to be consistent, avoid the big piece material in the mouth or chute corner clamping position, avoid fine powder to fill the gap, form the phenomenon of bridging, lead to the problem of hopper blockage, still can avoid the material with higher moisture content or itself has the viscosity material, adhere to the inner wall of hopper.

The invention discloses an ultrahigh-temperature alloy part centrifugal casting device, which relates to the technical field of centrifugal casting, and comprises a conveying mechanism used as a pouring gate during casting and capable of gradually pushing a liquid casting material into a casting mold; the rotary driving device serves as a driving part of the whole device and can rotate the mold and the conveying pipeline in the conveying mechanism at the same time; according to the rotary conveying pipeline, the rotating speed of a casting solution is consistent with that of the mold in the casting process, a molding sand layer in the mold is effectively prevented from being scoured by the casting solution, and the service life of the mold is prolonged; meanwhile, the volume of the casting solution fed from the feeding opening is ensured to be consistent in unit time by utilizing the pushing piece, the casting solution is ensured to be uniformly distributed in the mold, and the quality of a finished product is improved; after casting work is completed, the rotating speed of the mold can be increased, and the quality of final finished products is further improved.

The present invention discloses a concrete PC component material distribution equipment. The material distribution frame of the present invention is provided with a material distribution trolley that moves longitudinally, the material distribution trolley is provided with a material distribution trolley that moves laterally, a spiral material distribution machine driven by a material distribution motor is fixed at the lower part of the material distribution trolley, and an image acquisition device is fixed on the spiral material distribution machine. The image acquisition device is connected to a programmable computer for transmission. The programmable computer receives the image information of the mold from the image acquisition device before distributing the material; and compares it with the pre-stored image information to obtain the material distribution speed of the material distribution motor obtained according to the mold cavity volume under the corresponding image and control the material distribution motor to rotate the material according to the material distribution speed. The present invention accurately identifies the specific mold through the camera equipment, accurately obtains the material distribution speed required by the mold, makes the material distribution volume consistent with the mold cavity volume, realizes accurate material distribution, and solves the problem that the material distribution equipment is not uniform and accurate enough.

The utility model relates to dog food processing technical field discloses a dog food feed processing device of ration discharging, including: processing platform, the upper portion evenly has a plurality of shaping holes, the ejection frame is located below the processing platform, is driven to lift by the cylinder no.

The invention discloses a photoelectric micro-fluidic method for automatically generating liquid drops as required, which comprises the following steps: acquiring an image of a reservoir area in a photoelectric wetting micro-fluidic chip, identifying cells in the image, and acquiring central coordinates and sizes of the cells, the sizes including the diameters of the cells; by taking the center of each cell as a reference, generating a light ring with a corresponding size, and moving the cells to the edge of the reservoir area through the light ring; according to the present invention, by combining the deep learning and the photoelectric wetting technology, the automation of the generation and the division of the sub-droplets is achieved, the manual intervention is reduced, and the experiment efficiency and the experiment accuracy are improved.

The invention discloses an ice-making structure for controlling the volume consistency of crystals by utilizing buoyancy. The ice making rack is controlled by a driving mechanism to be erected at the top of the water tank in a front-back overturning manner; the ice-making evaporator is arranged at the bottom of the front side of the ice-making rack and is used for preparing crystals; the buoyancy monitoring unit is configured to monitor the buoyancy generated by the crystal under the specific volume; and the control unit responds to a signal sent by the buoyancy monitoring unit and controls the ice-making evaporator to leave the water tank through the driving mechanism. According to the ice-making structure for controlling the volume consistency of the crystals by using the buoyancy, the buoyancy generated by the crystals is ensured to be consistent during each ice-making based on the positive correlation of the buoyancy of the crystals in water and the volume of the crystals, so that the volumes of the crystals obtained during each ice-making can be ensured to be consistent, and compared with the prior art, the ice-making structure has the advantages that the structure is simple and convenient; the scheme can perfectly solve the problem that the size of crystals is difficult to control during ice making, and is suitable for popularization and use.

The utility model discloses a culture dish for detecting an inhibition zone, which comprises a culture dish cover and a culture dish main body, and is characterized in that an annular baffle is arranged on the inner side of the bottom of the culture dish main body. When the culture dish for detecting the inhibition zone is used for preparing the solid culture medium for detecting the inhibition zone, complicated operations such as accurate measuring cylinder measurement or weighing are not needed, the volume and height of the solid culture medium for detecting in different culture dishes can be ensured to be consistent, and the deviation influence on the determination of the inhibition zone caused by different addition amounts of the culture medium is avoided.

This invention discloses a rotary quantitative metering control method and metering device. The method comprises: m rollers evenly distributed within a housing, where m is a positive integer greater than 1; an elastic hose wrapped around the outer circumference of the rollers, with fluid flowing within the hose; a buffer assembly at the outlet of the elastic hose, pre-stored with fluid; in one metering cycle, the rollers rotate to compress the elastic hose to deliver fluid, with a preset fluid delivery volume of V0, a ​​roller rotation angle of S1, where S1 is a positive integer multiple of (360° ÷ m), and the delivered fluid volume of V1. After one metering delivery cycle, one roller returns to its original position on the housing, ensuring that in any metering cycle, the starting and ending positions of the roller rotation for quantitative fluid delivery are consistent with the origin. If V1 is less than V0, the buffer assembly is compressed to supplement the difference in volume V2, making V0 = V1 + V2. This invention has the advantages of simple control, high metering accuracy, and high filling efficiency.

This utility model relates to the field of medical device manufacturing technology, and in particular to a quantitative injection mechanism and an emergency injection pen including the same. The quantitative injection mechanism includes an activation rod, an inner body, and a PFS assembly. The activation rod is provided with an upper radial extension limiting structure and a lower radial extension limiting structure. The inner body is sleeved around the activation rod, and a radial rebound blocking structure is formed on it. The PFS assembly includes a syringe barrel, a piston, and an injection needle. In the initial state, the upper extension limiting structure and the radial rebound blocking structure are interlocked, restricting the axial displacement freedom of the activation rod, and the piston is in the initial position inside the syringe barrel; when the emergency injection pen is triggered, the upper extension limiting structure and the radial rebound blocking structure are unlocked due to disengagement, and the activation rod moves downward under the action of driving force to push the piston; as the piston slides, the liquid is sprayed out through the injection needle until the lower radial extension limiting structure contacts the syringe barrel.

The utility model provides a silkworm cocoon processing waste recovery device which comprises a recovery box body, a rotating frame and a crushing assembly, and the crushing assembly comprises a driving roller; one end of the driving roller is fixedly connected with a driving belt wheel; the surface of the driving belt wheel is in transmission connection with a driven belt wheel through a belt; a rotating shaft is fixedly connected to the axis of the driven belt wheel; an auxiliary rotating shaft is rotationally connected to the inner wall of the recycling box and located on one side of the rotating shaft. Crushing blades are fixedly connected to the surfaces of the auxiliary rotating shaft and the rotating shaft; by arranging the crushing assembly, waste materials can be conveyed into the recycling box body in the first time and crushed, finally, the crushed waste materials are filtered through the sieve plate, some waste materials which are still large in size after being crushed are reserved on the top of the sieve plate, secondary crushing can be conducted subsequently, and the sizes of the crushed waste materials tend to be consistent; and secondary utilization can be directly carried out, so that the recovery efficiency is improved.

The utility model relates to a static contact structure and a circuit breaker, and relates to the technical field of circuit breakers. And the static contact structure is used for being matched with the moving contact to realize on-off control. The static contact structure comprises a main contact layer and at least one secondary contact layer. The main contact layer is arranged close to the moving contact. The secondary contact layer is attached to the main contact layer and is arranged on one side, away from the moving contact, of the main contact layer. Wherein the main contact layer and the at least one secondary contact layer are made of different materials. According to the static contact structure provided by the invention, the problem of high cost caused by high requirements of a contact assembly on material performance and an open-current area in the prior art can be solved.

The application belongs to the technical field of PCR reaction chip, and particularly relates to a multiplex PCR reaction chip based on thin film microfluidic technology, which is mainly a chip made of thin film technology and is composed of a non-welding area and a welding area; a channel is arranged in the welding area, a DNA sample pool is arranged on one side of the chip, a PCR enzyme Mix pool is arranged above the middle of the chip, and a PCR premix pool is arranged below the middle of the chip; the DNA sample pool is communicated with the PCR premix pool through the channel; a plurality of PCR reaction pools are arranged on the other side of the chip; a PCR pressure relief pool is arranged outside the PCR reaction pool and is communicated with the corresponding PCR reaction pool; the liquid inlet speed is adjusted by adjusting the width of the flow channel, so that the simultaneous injection is achieved; the multiplex PCR amplification detection is realized in the thin film microfluidic chip; and the actual use demand of simultaneously filling different PCR reaction chambers under the non-equal path condition is achieved.