12results about How to "Improve sample preparation efficiency" patented technology

The utility model provides a kind of for water stop belt tensile sample preparation, it includes antiskid pad, the antiskid pad is fixed at bottom plate lower surface four corners, the bottom plate upper surface is fixed with jack, the bottom plate upper surface is fixed with pedestal, the pedestal upper end is fixed with hard plastic cushion block, the pedestal upper end is provided with fixed structure, the fixed structure includes pressing bolt and fixed rod;The pedestal front side wall is equipped with ejection structure, the ejection structure includes baffle and rubber column, the rubber column is set on baffle upper surface;It further includes punching structure, punching structure includes tool and bolt, the tool lower end is fixed in the support shaft top of jack by bolt.This puncher can be used for the stamping preparation of water stop belt tensile sample, to replace the traditional manual cutting preparation process in turn, effectively improve the preparation efficiency, and guarantee preparation accuracy.

The utility model discloses a moving and overturning device for a glass experiment. The moving and overturning device comprises a moving carrier, an overturning platform, a limiting plate and a clamp, the movable carrier is installed on the limiting plate, the overturning platform is rotatably installed on the movable carrier through a rotating shaft, a bottom plate is arranged at the bottom of the overturning platform, a bottom face heat insulation plate is arranged on the bottom plate, a first vertical plate is arranged on one side of the overturning platform, second vertical plates are connected to the two sides of the first vertical plate, and a first vertical face heat insulation plate is arranged on one side of the first vertical plate. A second vertical face heat insulation plate is arranged on one side of the second vertical plate, the first vertical plate and the second vertical plate form a U-shaped frame, and one end of the clamp is supported on the movable carrier. According to the utility model, the platinum crucible and the lining thereof can be quickly moved out of the heating furnace platform through the moving and turning device, and molten materials are quickly poured into a preset sample preparation mold by using the turning platform, so that the success rate of sample preparation of the large-capacity platinum crucible is improved, and the safety risk in the process is reduced.

The utility model relates to the technical field of sample preparation equipment, in particular to a simple sample preparation machine for a thick-wall PVC pipe sample. Comprising an upper die device and a lower positioning device, the lower positioning device comprises a bottom plate, a movable plate, a base plate and a jack, and the upper die device comprises an upper fixing plate, a connecting plate and a material pressing die; the jack is fixedly connected with the bottom plate, the movable plate can move up and down under the action of the jack, the upper fixed plate is elastically connected with the movable plate, and the base plate is fixedly connected with the movable plate; the pressing die for sample preparation is arranged below the connecting plate; the upper mold device is further provided with a sample plate demolding pin and a reset spring which are used for enabling the upper mold device to reset automatically after sample preparation. According to the thick-wall PVC pipe tensile sample manufacturing machine tool, large-diameter thick-wall pipe samples can be manufactured according to the shapes of the test pieces, the sizes of the manufactured samples meet the standard requirement and have accuracy, the sample manufacturing machine is simple in structure, small in size and convenient to operate, and the tensile detection requirement of the samples is met.

The utility model relates to an adhesive sample preparation device which is used for preparing a test sample piece. The adhesive sample preparation device comprises a plurality of sample preparation modules which are arranged at intervals so as to improve the sample preparation efficiency, and second connecting pieces are arranged between the adjacent sample preparation modules so as to connect the sample preparation modules. The sample preparation module comprises a first operation table and a second operation table which are arranged at an interval; a limiting assembly is arranged on the first operation table, a first test plate in the test sample piece is placed in a limiting area of the limiting assembly, a second test plate is placed in a first limiting groove of the second operation table, the first limiting groove and the limiting area are located on the same straight line, and the bottom wall of the first limiting groove is higher than the table top of the first operation table. The first test plate abuts against the second operation table to limit the position of the first test plate, the two cushion blocks in the test sample piece are arranged on the first test plate at intervals, and a gluing area is formed between the two cushion blocks. The limiting assembly moves in the length direction of the adhesive sample preparation device so as to adjust the length of the adhesive coating area through the distance between the two cushion blocks.

The utility model discloses a fiber section sample preparation cutting device which comprises an operation table, a supporting part, a fixing part and a cutting part, the supporting part is arranged above the operation table, a connecting part is arranged on the supporting part, and the connecting part is rotationally connected with the supporting part; one end of the fixing part is detachably connected with the connecting part, the fixing part is perpendicular to the supporting part, the fixing part is used for fixing fibers, one end of the cutting part is detachably connected with the connecting part, the cutting part is perpendicular to the supporting part, and the cutting part is used for cutting the fibers. In this way, the connecting part is rotationally connected with the supporting part, so that the fixing part and the cutting part can rotate around the supporting part, the cutting angle and position of fibers are conveniently adjusted, the requirements of different section shapes are met, the cutting part is perpendicular to the supporting part, it is ensured that the cutting direction is perpendicular to the axial direction of the fibers, and section deformation caused by inclined cutting is reduced; and the stability of the fiber section sample preparation effect is improved.

The invention relates to the technical field of laboratory automation equipment, in particular to an integrated automatic system and method for solid-liquid separation and scanning electron microscope sample preparation. The system comprises a to-be-separated solid-liquid mixture storage table; the high-flux solid-liquid separation module comprises a plurality of solid-liquid separation channels; the SEM sample table library is provided with a plurality of SEM sample tables, and each SEM sample table is covered and pasted with a conductive adhesive tape; a nozzle of the automatic purging module can be aligned with the upper part of each conductive adhesive tape; a mechanical transfer module; and the intelligent control module is in electric control connection with the high-flux solid-liquid separation module, the automatic purging module and the mechanical transfer module. The method comprises a high-flux solid-liquid separation step and an SEM sample preparation step. The system and the method solve the technical problems that in the prior art, efficiency is low, sample consistency is difficult to guarantee, cross contamination and random errors are likely to be introduced, and authenticity and reliability of observation results are affected.

The invention discloses a sample processing device and an LIBS detection device, and relates to the technical field of mechanical automation, the sample processing device comprises a bearing assembly, a liquid dropping assembly, a heating device, a taking and placing assembly and a control system; during working, the taking and placing assembly places a clean silicon wafer substrate on an initial station of the rotary table, and the rotary table conveys the clean silicon wafer substrate to a liquid dropping station, a heating station and a detection station in sequence; the liquid dropping assembly automatically completes quantitative extraction, mixing and dropping of liquid to be detected and a thickening agent; a heating device is used for curing; the cured sample is detected by an LIBS spectrometer; and finally, the silicon wafer substrate is put back by the pick-and-place assembly to form a closed loop. According to the device, the traditional manual operation is replaced by mechanical automation, so that the high consistency and repeatability of the sample preparation process are ensured, and the efficiency and the sample quality are remarkably improved.

The invention discloses a section scanning electron microscope sample suitable for a metal micro guide wire and a preparation method of the section scanning electron microscope sample. Belongs to the technical field of material microscopic analysis. The preparation method comprises the following steps: fixing the metal micro guide wires by constructing conductive rigid clamps, filling conductive adhesives among the conductive rigid clamps, and arranging a plurality of metal micro guide wires among the conductive adhesives; the metal micro guide wires are exposed out of the two ends of the conductive rigid clamp by 0.5-1.5 cm; and the diameter of the metal micro guide wire is 45-500 microns. The invention provides a preparation scheme of a metal microwire section scanning electron microscope sample, which is simple to operate and does not need any large equipment, and provides a rigid and conductive support system capable of performing directional electrolytic polishing for a soft and fine metal wire on the premise of not introducing external stress, not polluting the sample and not using expensive equipment. Therefore, the scanning electron microscope samples are efficiently prepared in batches at low cost, and the high-resolution characterization requirement is met.

This invention relates to the field of testing methods, specifically to a method for testing the pull-out force of fibers in thermoplastic composites. The method uses an embedding mold to test the pull-out force. The embedding mold has symmetrically arranged grooves on both sides. Molten thermoplastic resin is added to the embedding mold until it reaches the grooves. The fiber to be tested is then placed on the embedding mold, with both ends of the fiber extending from the grooves on both sides. Under a certain tension on the two ends of the fiber, molten thermoplastic resin is continuously added to fill the embedding mold. After cooling and solidification, a fiber pull-out specimen is obtained. The fiber tensile mechanical properties of the pull-out specimen are then tested to obtain the test results of the fiber pull-out force in the thermoplastic composite. This method is simple to operate, highly accurate, and solves problems related to fiber positioning, embedding depth and length control, and multi-angle testing adaptation.

The utility model provides a kind of frozen sample preparation machine.The frozen sample preparation machine is used to prepare frozen sample, comprising: rack (1);First lifting mechanism (2) is set on rack (1), including the lifting seat (3) that can be lifted relative to rack (1), lifting seat (3) is provided with mounting position;Sample preparation device (4), including sealed chamber (5) and sample preparation mechanism (6), sealed chamber (5) is located on the movement path of sample, sample preparation mechanism (6) is located in sealed chamber (5), sample preparation mechanism (6) includes sample preparation tray (7), and the sample preparation angle of sample preparation tray (7) is adjustable;Freezing container (15) is set below sample preparation device (4), and located on the movement path of sample.The frozen sample preparation machine of the utility model can flexibly sample as required, easily generate the sample ice crystal thickness satisfying demand, and has high production efficiency and high sample preparation quality.

The utility model belongs to the technical field of battery preparation, and particularly relates to a compression roller device for assisting in testing the peel strength of a pole piece, which comprises a placing table, a compression roller mechanism and a driving mechanism, the compression roller mechanism is arranged on one side, in the first direction, of the placement table and can be in contact with the sample in the first direction; the driving mechanism can drive the compression roller mechanism to reciprocate in the second direction; compared with the prior art, the compression roller device disclosed by the utility model has the advantages that the pressure and the rolling speed in the pressing process of a test sample can be kept consistent, and the detection precision of the peeling strength of a pole piece is ensured.

The cutting device comprises a bottom plate and an operation box, the operation box is provided with an opening facing the front side, the left side wall, the right side wall, the rear side wall and the top wall of the operation box are each of a closed structure, and the bottom of the operation box is fixed to the bottom plate; the front side of the operation box is rotationally connected with a box door used for sealing an opening in the front side of the operation box, and a cutting machine is arranged in the operation box. When the first moving plate and the second moving plate move in the direction close to the cylindrical rod, the clamping plate can automatically clamp and fix the pavement brick firstly, the cutting machine can cut the pavement brick only when the first moving plate and the second moving plate move continuously, and after cutting, the cutting machine leaves the pavement brick firstly when the first moving plate and the second moving plate move in the direction away from the cylindrical rod; and then the clamping plate can automatically loosen the pavement brick, and the process of clamping, fixing and loosening the pavement brick does not need to be manually carried out by an operator, so that the operation convenience is improved, and the sample preparation efficiency is improved.