52results about How to "No stacking" patented technology

The invention discloses a condensed-ring compound and a preparation method and an application thereof. The condensed-ring compound has a structure represented by formula (I) or formula (II). The HOMOand LUMO energy levels of the fused-ring compound are completely separated, so that the energy gap width of the material is reduced, the three-wire energy level is improved, and the energy backflow from the object material to the main material is avoided to reduce the luminous efficiency; HOMO and LUMO energy levels are matched with adjacent materials, and the driving voltage is small. The devicehas large molecular structure size and good intramolecular conjugation, so it has good thermal stability, can avoid thermal decomposition of materials during film formation or use, avoids loss of material layer function, and improves luminous efficiency and luminous performance of the device. The invention also provides a preparation method of the fused-ring compound and its application as an organic electroluminescent material.

The invention belongs to the field of preparation of composite electrode materials, and in particular relates to preparation of an electrode material of a piece of sandwich structured composite graphene oxide paper. The electrode material of the sandwich structured composite graphene oxide paper is prepared through a one-step method. The method specifically comprises the following steps of ultrasonically dispersing graphite oxide in a solvent, adding transition metal salt to discontinuously stir, such that the system is uniformly mixed, reacting at 80-150 DEG C for 8-12 h after adjusting pH to alkalinity, and performing suction filtration, washing and drying at low temperature so as to obtain the electrode material of the sandwich structured composite graphene oxide paper. To improve the electrochemical property of the electrode material, the electrode material is roasted and immersed in electrolyte after being roasted. The preparation material is cheap and available in raw material, simple and convenient in process operation and low in production cost, and is suitable for industrial production; and furthermore, the prepared electrode material has excellent electrochemical property.

The invention relates to a cap delivery device of a cap screwing machine. The cap delivery device comprises a cap guide groove, wherein the cap guide groove consists of two side plates and a bottom plate; the cap guide groove comprises a delivery part and a cap delivery part; a cap pressing plate covers the delivery part; a hole is formed in the bottom plate of the cap delivery part, a cap delivery cylinder is arranged below the bottom plate of the cap delivery part, and a push shaft of the cap delivery cylinder is coaxially and fixedly connected with a cap delivery rod; the cap delivery rod is coaxial with the hole, and the size of the cap delivery rod is matched with that of the hole; an upper limit sensor and a lower limit sensor are arranged on the cap delivery cylinder; and a cap deficiency sensor is arranged on the cap guide groove. The cap delivery device has the advantages of simple structure, excellent cap delivery effect and capability of automatically judging cap deficiency and stopping.

The invention relates to the technical field of robots, in particular to an efficient sorting method of a robot. The efficient sorting method comprises the following steps: S1, setting the positions of a plurality of mechanical arms of the robot, and ensuring that the tail end action point of each mechanical arm can reach a plurality of working stations of the mechanical arm, and the working stations comprise an object taking point o and a plurality of placing points of the mechanical arm; S2, determining a sorting track of each mechanical arm in a dispatching system, wherein the sorting trackcomprises initial points and movement routes of all the mechanical arms; S3, obtaining the position of the mechanical arm when the mechanical arm stops working last time through a mechanical arm sensor, and initializing an initial point of the mechanical arm according to a dispatching system; and S4, enabling the robot to obtain an image of a to-be-grabbed target through a camera, converting theimage into recognizable information, and determining a corresponding placement point according to the recognizable information and the dispatching system. According to the efficient sorting method, the completion of the sorting task can be greatly improved by reasonably planning the movement and the movement track of each mechanical arm, and mechanical arm track movement calculation and error compensation in the sorting process are simplified.

The invention discloses a waist rope structure. The waist rope structure is characterized by comprising a waist rope and a connection device, wherein one end of the waist rope is connected with the end part of the connection device; the other end of the waist rope is connected with a pull plate; the connection device is arranged in an arm frame; and the connection device is connected with a web member at the top of the arm frame by a flexible connector. According to the waist rope structure, the stability of the waist rope is improved so that the whole body of the waist rope is not in contact with the arm frame, and the service life of the arm frame and the waist rope is prolonged.

The invention discloses a rubber ring lifter. The rubber ring lifter comprises a rack and further comprises a vertical plate and a hopper which are arranged on the rack; a plurality of rubber rings can be placed in the hopper; the bottom of the hopper and the vertical plate are provided with a conveyor belt, and the output end of the conveyor belt is connected with a receiving table through a sliding way and arranged on the vertical plate, and is higher than the hopper; the conveyor belt is provided with a plurality of lifting plates, and the space between every two adjacent lifting plates islarger than the width of one rubber ring and smaller than the width of the two corresponding rubber rings; a height limiting piece and a width limiting piece are arranged on the vertical plate and both arranged above the conveyor belt; and the height limiting piece and the width limiting piece limit passing of the rubber rings in the direction perpendicular to the output end of the conveyor belt and the width direction of the conveyor belt correspondingly, thus the rubber rings are conveyed to the sliding way through the conveyor belt one by one, and also slide down to the receiving table fromthe sliding way one by one, the rubber ring stacking phenomenon is avoided, subsequent assembling is convenient, the conveying efficiency is high, noise is small, and the cost is low.

The invention provides a three-dimensional cross-linked structure MXene material and a preparation method thereof. The spray-freeze drying method adopted by the invention includes: preparing 2D-MXenenanosheets into a 0.5-5mg/mL dispersion liquid of 1-20 layers in an ultrasonic way; spraying the solution obtained in step 1 into liquid-boiling liquid nitrogen by a high pressure gun in the form of liquid droplets with a diameter of 100microm-5000microm; and volatilizing and drying of the liquid nitrogen in step 2, subjecting the obtained product to freeze drying treatment, thus obtaining non-heap structure 3D-MXene. The 3D-MXene prepared by the method provided by the invention presents the spherical, tubular and other shapes of a cross-linked structure, and can successfully solve the stacking problem of 2D-MXene nanosheets and retain a large specific surface area and the number of exposed active sites. The 3D-MXene prepared by the method provided by the invention is independent of each other and has different orientations, and is beneficial for long-term preservation and reuse.

The invention discloses a tablet transportation device of an electronic tablet counting machine. The tablet transportation device is used for improving the counting precision of the electronic tablet counting machine, and is characterized by comprising at least two stages of vibrating transportation devices, wherein the vibrating transportation devices comprise vibration block components and feeding plates; all the feeding plates form a conveyer belt; a feeding funnel is arranged at the starting end of the conveyer belt; the stopping end of the conveyer belt leads to counting channels of an electronic counting head; and the vibration frequency of all the vibration block components is sequentially increased in the tablet transportation direction. According to the tablet transportation device, the multiple stages of vibrating transportation devices of which the frequency is sequentially increased are adopted, the tablets are spaced and are transported to the counting channels of the electronic counting head, the tablets cannot be stacked, and counting of the electronic counting head is guaranteed to be accurate; and compared with a single-stage high-frequency vibrating transportation device, the multiple stages of vibrating transportation devices of which the frequency is gradually increased have better stability and can prevent the tablets from splashing.

The invention relates to a cantilever-type five-shaft rocker arm rotating device with a harmonic speed reducer. The cantilever-type five-shaft rocker arm rotating device comprises a horizontal mounting seat, a rotating shaft assembly, a swing arm shaft assembly, a working chuck, a product clamp assembly and clamp pressing screws, wherein the horizontal mounting seat comprises a first cavity, a second cavity and a connecting part; a wiring hole is formed in the connecting part; the rotating shaft assembly is arranged in the first cavity; the swing arm shaft assembly is connected with the secondcavity; the axis of the rotating shaft assembly is perpendicular to the axis of the swing arm shaft assembly; the working chuck is in transmission connection with an output end of the rotating shaftassembly; the product clamp assembly for carrying products is mounted on the working chuck; the clamp pressing screws are arranged on the product clamp assembly; and a tool setting instrument is arranged on the side wall of the horizontal mounting seat. The cantilever-type five-shaft rocker arm rotating device has the advantages that stable operation can be kept while a tail seat supporting structure is removed, and the limitation of installation space is eliminated while large torque is provided at low rotating speed, therefore, the difficulty of tool setting is reduced, and the working efficiency is improved.

The invention relates to the technical field of potato screening grading devices, and discloses an automatic potato screening grading device. The automatic potato screening grading device comprises ascreen assembly, a supporting assembly, a cleaning assembly and a uniformly-stirring assembly. The screen assembly comprises a screen box, a discharging hopper, an auxiliary overturning cover, a fixedrail, a dustproof box cover, a screen, a feeding hopper and a vibrating motor. An accommodating cavity is formed in the screen box, and the discharging hopper is positioned at the bottom end of the right side of the screen box and is fixedly connected with the screen box. The effective screening area of the screen is increased so that potatoes cannot be stacked, and the screening efficiency of the potatoes is improved. A screw rod is arranged in a machine body, a fixed seat and a cleaning brush are arranged on the screw rod, and the screw rod is used for driving the cleaning brush to performlinear reciprocating motion on the screen to clean the screen, so that impurities attached to the screen in a clamped mode are removed; and meanwhile, a cleaning overturning cover is arranged on the screen box, so that the cleaning brush is more convenient to replace, the service efficiency of the screen is improved, and the service life of the screen is prolonged.

The invention relates to a preparation method of multifunctional regenerated cellulose composite fiber. The preparation method comprises the following steps: mixing regenerated cellulose with oxidizedgraphene to prepare a spinning solution, spinning in a mixed coagulating bath, and then preparing the regenerated cellulose/oxidized graphene composite fiber through multi-stage washing and high-temperature steam stretching. The method is simple and extremely easy to industrialize; cellulose raw materials are wide in source and low in cost. The anti-static property of the prepared regenerated cellulose/oxidized graphene composite fiber is obviously improved; the anti-static property has designability; the multifunctional regenerated cellulose composite fiber is excellent in mechanical property, sterilization performance and anti-ultraviolet far infrared performance; meanwhile, the multifunctional regenerated cellulose composite fiber has the advantages of softness, breathability, high hygroscopicity, easiness in dyeing and the like of cellulose, and can be widely applied to the textile industry.

The invention provides a preparation method for highly-dispersed few-layer graphene. The preparation method comprises the following steps that firstly, a graphene oxide dispersion liquid and a tea polyphenol material are mixed to obtain a mixed liquid; secondly, auxiliary gas is introduced into the mixed liquid obtained in the previous step for a reaction to obtain a reaction liquid, wherein the auxiliary gas includes one or more of hydrogen, nitrogen and inert gas; finally, the reaction liquid obtained in the previous step is post-treated to obtain the graphene. According to the preparation method, an environment-friendly reduction mode combining the auxiliary gas and the tea polyphenol material is adopted, a pi-pi stacking function among sheet layers of the graphene is greatly hindered,and interlayer stacking of the graphene in the reduction process is effectively prevented while graphene oxide is reduced. The functionalized single-layer or few-layer graphene prepared by means of the method has the thin sheet layers, no obvious stacking phenomenon occurs among the sheet layers of the graphene, the preparation process is simple, the condition is mild, the time is short, the preparation method is environmentally friendly and free of pollution, and the application, popularization and later large-scale production of the graphene are facilitated.

The invention discloses an epoxy resin composite material granulating device, which comprises a transmission unit; the transmission unit includes a supporting frame; a conveying belt is mounted on the supporting frame; the driving shaft of the conveying belt is connected with a speed controlling box; the granulating device also comprises a material feeding unit, a heating unit and a material cutting unit; the heating unit and the material cutting unit are mounted on the supporting frame; the heating unit includes a front heating unit and a rear heating unit; and the material cutting unit is positioned between the front heating unit and the rear heating unit. The granulating device disclosed by the invention is used for changing the epoxy resin composite material from viscous liquid state into solid granule state, can perform the functions of heating, shaping and cutting simultaneously, therefore, achieves a high production efficiency, can realize continuous production, can obtain products having compact microstructure, stable performance and high quality, solves the problem that the epoxy resin composite material is liable to adhere to a granulating device, and reduces the abrasion to a machine.

The invention relates to the field of pipeline machining, in particular to a hoisting type pipeline transportation cart which comprises a cart frame, telescopic devices, universal wheels and lifting appliances. The frame is square, the telescopic devices are located at the four corners of the frame, the top ends of the telescopic devices are fixedly connected with the frame, and the telescopic devices are used for adjusting the height of the frame. The universal wheels are fixedly connected to the bottom ends of the telescopic devices; the lifting appliances are detachably connected to the lower surface of the frame, the multiple lifting appliances are arranged in the vertical direction, and the lifting appliances are used for lifting pipelines. The hoisting type pipeline transportation cart has the beneficial effects that the frame is lifted through the telescopic devices, so that the lifting appliances and the pipelines are located at the same height, and the pipelines can be conveniently and efficiently transferred to a transportation cart; each pipeline is hoisted by the corresponding independent lifting appliance, so that the adjacent pipelines are prevented from being extruded and collided; due to the fact that the pipelines are hoisted below the frame, the pipelines cannot be stacked, and the pipelines located at the bottom cannot be extruded to deform.

The invention discloses a technology for rapidly decaying rice and wheat straws. The technology comprises a step of evenly spraying rice bran on the rice and wheat straws so as to utilize the fermentation of the rice bran to decay the rice and wheat straws under the actions of the natural temperature and dews in the night. The technology has the following advantages that the rice bran is easily available in villages and is very cheap, the mixed rice bran and rice and wheat straws can be decayed under a natural temperature condition, no other auxiliary condition is required, and moreover the operation is very convenient. The technology uses agricultural waste (rice bran) to process waste (straws), is environment-friendly, is harmless for human and livestock, and is accord with the ecological circulation requirements of agricultural production.