63 results about "Sample fixation" patented technology

The utility model discloses a sample fixing device for electron probe microscopic analysis, belongs to the technical field of electron probe microscopic analysis equipment, and is used for fixing an analysis sample for electron probe microscopic analysis. According to the technical scheme, a base is a cylinder, the lower ends of two side plates are fixed to the two opposite sides of the top face of the base respectively, a plurality of sliding holes are evenly distributed in the top face of the base, a plurality of spring sleeves are embedded in the sliding holes respectively, supporting springs are placed in the spring sleeves, and the lower ends of the supporting springs are connected with the bottom face of the base in an abutting mode. The inner sides of the upper parts of the two side plates are respectively provided with two grooves, a clamping piece and the rear end of a conductive pointer are embedded in each groove, and the front ends of the clamping piece and the conductive pointer are respectively opposite to the upper end of a spring sleeve above the top surface of the base between the two side plates. The sample fixing device is simple in structure and convenient to use, and can be finely adjusted according to the shape and the size of a sample so as to adapt to samples with different shapes and sizes, so that the optimal sample fixing effect is realized, and the accuracy and the stability of an experiment are improved.

This invention discloses a semi-automatic sample preparation device and its method for testing coating bonding strength, including a support and a sample block fixing part thereon, and an automated sample block advancing part. The sample block fixing part includes a sample block placement rack and a sample block fixing block. The former is fixed to the support and has an arc-shaped first groove extending through it in a direction perpendicular to the first surface of the support, where two sample blocks are placed coaxially. The latter is located on the sample placement rack and has an arc-shaped second groove on its lower surface. One end of the sample block fixing block is hinged to the sample block placement rack, and the other end can be locked to the placement rack. A hole extends through the sample fixing block. The automated sample block advancing part includes an electric push rod and a sensing system. The electric push rod is fixed to the support via a motor mounting bracket and is used to push the second sample block toward the first surface of the support. The sensing system detects the adhesive thickness and pushing pressure to control the start and stop of the electric push rod. This invention can produce high-quality sample blocks.

The utility model discloses an industrial CT scanning sample fixing assembly convenient to disassemble, which comprises a base, the top surface of the base is provided with a first support column and a second support column which are opposite to each other, the outer surfaces of the first support column and the second support column are fixedly connected with bearings, the outer surfaces of the bearings are fixedly connected with symmetrical support rods, and the first support column and the second support column are fixed on the base. A sample is placed between the supporting plate and the pressing plate to be limited, and the gap between the supporting plate and the pressing plate can be directly adjusted by rotating the first supporting column and the second supporting column, so that the sample is convenient to remove; meanwhile, the sample can be clamped among the supporting plate, the pressing plate, the first anti-skid baffle and the second anti-skid baffle through rotation of the first supporting column and the second supporting column, and in addition, the positions of the first supporting column and the second supporting column can be adjusted on the surface of the base by directly sliding the sliding block; the device has the effect of conveniently adjusting the use position for samples of different specifications.

The utility model discloses a rapid sample mounting and dismounting device for an SBI single body combustion test, which comprises a sample vehicle fixing plate arranged on a sample vehicle, a telescopic rod hole is formed in the sample vehicle fixing plate, and a fixing frame telescopic rod matched with the telescopic rod hole is further arranged on the sample vehicle fixing plate in a sliding manner. An upper sample fixing frame is arranged at one end of the fixing frame telescopic rod, the top of the upper sample fixing frame is arranged at the top of the combustion chamber through an upper sliding assembly, and a lower sample fixing frame is arranged at the bottom of the combustion chamber through a lower sliding assembly; the lower sample fixing frame and the upper sample fixing frame are used for clamping, mounting and dismounting a sample. According to the device, the sample can be quickly clamped, mounted and dismounted, and meanwhile, the device has the advantages of being simple and convenient to mount, quick to dismount, convenient to operate and the like, so that the test efficiency can be remarkably improved, and the operation difficulty is reduced.

The utility model relates to a kind of sample fixed support device for carbon block processing, be arranged below sintering furnace, including vertical long pole, carbon block fixed in vertical long pole top and base located at vertical long pole bottom, the support frame of sintering furnace is provided below with the support frame of supporting sintering furnace, support frame is provided with the support seat capable of vertical and horizontal movement, support seat is provided with horizontal extension plate and reciprocating drive cylinder, the material receiving groove with opening upward is provided on base, the center position of material receiving groove is provided with the vertically extending center sleeve, the inside of center sleeve is provided with the arrowhead connecting piece that moves up and down under the restriction of center sleeve, the bottom of arrowhead connecting piece vertically downward passes through center sleeve and horizontal extension plate in sequence and extends to the above of reciprocating drive cylinder, in general, the utility model has the advantages of simple structure, convenient to use, high detection efficiency, effectively reduce operating risk, can continuously remove sintered part and sintering calculation result accuracy is high.

The application belongs to the technical field of neutron scattering, and discloses a sample rotating device. The sample rotating device is used for rotating a cuvette containing a liquid to be detected during a neutron experiment on the liquid. The sample rotating device comprises a supporting seat, a sample fixing assembly and a driving assembly. The sample fixing assembly comprises a rotating cylinder, and a worm wheel is arranged on the outer side of the rotating cylinder. The driving assembly comprises a driving motor and a worm. The driving motor is in transmission connection with the worm wheel through the worm. The worm is rotatably arranged on the supporting seat. The driving motor drives the worm to rotate. The worm drives the worm wheel to rotate and further drives the rotating cylinder to rotate. The rotating cylinder is fixedly installed with the cuvette. When the rotating cylinder rotates, the cuvette can rotate with the center of the disc surface of the cuvette as the axis. The liquid sample in the cuvette can be prevented from precipitating or being non-uniform in density during long-time measurement, so that the solute in the liquid sample can be kept in a uniformly dispersed state, and the effectiveness of small-angle neutron scattering experimental data can be ensured.

The utility model relates to the technical field of integrated circuit product testing, and discloses an integrated circuit product testing fixing device, which comprises a base, a bottom plate for bearing the weight of the device is arranged at the bottom of the base, a horizontally placed bearing frame is arranged at the top of a sample placing platform, and an adjusting unit comprises the sample placing platform. The sample placing platform is horizontally arranged at the top of the base and can horizontally move at the top of the base, and the platform loosening and tightening knob is installed at the top of the base and used for controlling fixing and loosening of the sample placing platform. According to the utility model, the two groups of independent sample clamps capable of moving in the Y direction and the Z direction and the sample placing platform capable of moving in the X direction are arranged, so that the device can adapt to integrated circuit products with various sizes and shapes, and the defects of low product compatibility and small fixing force of the existing sample fixing jig can be overcome; the functions of the jig are combined together, the number of the jig is reduced, and cost is saved.

The application relates to a sample fixing device and an infrared spectrometer, which comprises a main plate with a light transmission hole penetrating through the main plate along a first direction; a sample clamping piece arranged on one side of the main plate in the first direction and forming a sample clamping position between the main plate and the sample clamping piece; and two sample supporting pieces, each of which is longitudinally extended in a direction away from the main plate at the other end of the sample supporting rod along the first direction, and the side of all the sample supporting rods facing the light transmission hole forms a sample supporting position. The sample clamping piece arranged on one side of the main plate enables a small-sized sample to be fixed on the sample fixing device through the sample clamping piece, and the two sample supporting pieces arranged on the other side of the main plate enable a large-sized sample clamping piece to be directly supported on the two sample supporting pieces. Thus, the sample clamping piece and the sample supporting pieces can be used to fix samples of different sizes and shapes, and the universality of the sample fixing device is effectively improved.

The application discloses a sample fixing mechanism for nano probe testing, a nano probe testing device and a sample testing method. The sample fixing mechanism comprises a base provided with a first assembly surface; a fixer provided with a second assembly surface matched with the first assembly surface, and further provided with a fixing surface opposite to the second assembly surface, the fixing surface being used for bonding and fixing the sample; and a locking structure provided with a locked state and an unlocked state, the locking structure being capable of relatively fixing the fixer with the base in the locked state, and the fixer being capable of being removed from the base in the unlocked state. The sample is firmly pasted with the fixer after the glue is melted by high-temperature heating, then the second assembly surface of the fixer is matched with the first assembly surface of the base, the fixer is relatively fixed with the base by the locking structure, then the sample is put into a nano probe machine, nano probe testing is carried out, and testing data of the sample is obtained.

The invention discloses a sample holder assembly and a sample characterization method, the sample holder assembly comprises: a first female sample holder, which is provided with a first clamping groove; a second clamping groove is formed in the second female sample holder; the sub-sample support is detachably inserted into the first clamping groove or the second clamping groove, and the sub-sample support comprises a bearing part for fixing a metal single crystal sample; and the fixing part is detachably mounted on the side wall of the first female sample holder and is used for fixing the sample to be characterized between the side wall of the first female sample holder and the fixing part. According to the sample holder assembly, the metal single crystal sample for needle repairing and the sample to be characterized are fixed on a combined sample holder at the same time, and the characterization efficiency is improved.

The embodiment of the utility model provides a sampling and demolding device which comprises a follow-up seat and a cutting die, the follow-up seat and rubber move synchronously, the cutting die is fixed to the follow-up seat and used for cutting the rubber to form a sample piece, and a containing space used for containing the sample piece is formed in the cutting die. The limiting assembly is used for limiting the sample piece in the accommodating space; the die stripping head is positioned in the cutting die and can move relative to the cutting die; and the driving mechanism is used for driving the die stripping head to move in the cutting die and pushing the sample sheet out of the accommodating space. According to the technical scheme, the follow-up seat can synchronously move along with the rubber, the rubber is sampled through the cutting die, and meanwhile, the sample can be adsorbed through the limiting assembly in the cutting die, so that the sample is fixed in the cutting die, and then when the cutting die moves to the position for placing the sample through the follow-up seat, the sample can be placed in the cutting die. And the driving mechanism drives the die stripping head to take out the sample from the cutting die, so that the rubber can be sampled without shutdown.

The utility model discloses a laboratory sample recovery device, which relates to the technical field of automatic recovery of powder detection samples, and particularly comprises a box body, a rotating track is arranged at the top of the box body, sample fixing structures are uniformly arranged on the outer side wall of the rotating track, a recovery cavity is arranged on one side of the box body, and the recovery cavity is communicated with the box body. A sample recycling box and a sample bag recycling box are placed in the recycling cavity, the top of the recycling cavity is fixedly connected with a water spraying plate, the top end of the recycling cavity is connected with a first electric telescopic rod through a translation structure, the other end of the first electric telescopic rod is fixedly connected with a storage basket, and a filter screen plate is arranged at the bottom of the storage basket. According to the laboratory sample recovery device, after all samples are detected, sample packaging bags needing to be abandoned are cut, scattered samples enter the sample recovery box, unattended recovery is achieved, the samples are recovered in the sealed cavity, and harm of dust to human bodies is relieved.

The application discloses a sample wheel for optical metrological verification, which comprises a supporting mechanism, a rotating mechanism, a translation mechanism and a control unit; the supporting mechanism comprises a base, a sample wheel support and a sample wheel; the bottom of the sample wheel support is fixed on the base, and the sample wheel is arranged above the sample wheel support through a rotating shaft; a plurality of sample chambers are arranged on the outer edge of the sample wheel, and a sample fixing device is arranged in each sample chamber; the rotating mechanism comprises a stepping motor, and the stepping motor drives the sample wheel to rotate; the translation mechanism comprises a hydraulic device and a slide rail; one end of a hydraulic rod of the hydraulic device is hinged to the base, and the other end of the hydraulic rod is arranged on the rotating shaft through a sleeve, and the hydraulic rod is controlled to stretch and retract by the control unit; a bearing is arranged between the sleeve and the rotating shaft, and gears are arranged at the two ends of the bearing; the bottom of the slide rail is embedded into a horizontal sliding groove at the top of the sample wheel support, and a rack meshing with the gears is arranged on the top of the slide rail along the sliding direction. The application can avoid the influence of manual sample replacement on the measurement result, avoid the influence of the sample measurement position on the measurement result, has high working efficiency and accurate measurement data.

To provide a jig which can attach a sample to a sample holder easily.SOLUTION: A jig 100 is used to attach a sample to a sample holder for a sample processing device which radiates an ion beam to the sample through a shield to process a portion of the sample which protrudes from the shield. The jig includes: a support part 20 for supporting the sample holder attached with the shield; and a guide 30 including a rail 34 and a slider 32 which may move along the rail 34 and moves the sample to the sample holder.SELECTED DRAWING: Figure 1

The utility model relates to the technical field of nondestructive testing equipment, and provides a vacuumizing sample fixing device which comprises a base, a sample platform, a first vacuum frame and a second vacuum frame, the sample platform is arranged above the base; the sample platform is provided with a first platform and a second platform; the second platform is located on the inner side of the first platform, and the second platform is lower than the first platform; a first air groove is formed in the first platform, and a second air groove is formed in the second platform; a first air hole and a second air hole are formed in the sample platform, the first air hole is communicated with the first air groove, and the second air hole is communicated with the second air groove; the first vacuum frame is mounted on the first platform; and the second vacuum frame is mounted on the second platform. According to the utility model, samples are adsorbed by vacuumizing, the surfaces of the samples can be protected, the samples can be quickly replaced, and the device is suitable for fixing circular samples with different sizes.

This invention provides a magnetic testing device. The device includes: a mounting frame; and a sample fixing structure mounted on the mounting frame. The sample fixing structure includes a sample rod and a sample holder, connected to the sample rod. The sample holder includes a main body and a clamping structure mounted on the main body. The clamping structure includes at least two clamping members arranged opposite each other along a first direction, forming a sample clamping space between the at least two clamping members. This invention solves the problem that when using existing sample fixing structures for magnetic testing, the sample easily slips off the glass slide when the sample holder resonates with the sample fixing structure.

The invention discloses rotary type opening and closing product automatic experiment detection equipment, which comprises a three-section adjustable connection transmission assembly, a sample installation platform, a support rack, a three-dimensional six-direction adjusting mechanism and a control unit, and is characterized in that the three-section adjustable connection transmission assembly comprises a first sample fixing section, a second front-back adjusting section and a third up-down adjusting section; one end of the first sample fixing section is connected with the second front-and-back adjusting section through a movable screw, the other end of the first sample fixing section is connected with a sample placed on the sample mounting platform for applying rotating force and testing, one end of the second front-and-back adjusting section is connected with the first sample fixing section through a movable screw, and the other end of the second front-and-back adjusting section is connected with the third up-and-down adjusting section through a movable screw; one end of the third up-and-down adjusting section is connected with the second front-and-back adjusting section through a movable screw, and the other end of the third up-and-down adjusting section is clamped and fixed with the three-dimensional six-direction adjusting mechanism, so that the problems of low efficiency, insufficient precision and poor flexibility in the testing process in the field of electrical control and switch equipment are solved, manual intervention is reduced, and the testing efficiency is improved.

The utility model relates to the technical field of clamps, in particular to a clamp for fixing a blocky sample of a table type colorimeter, which comprises a clamp main body, a sample placing cavity is arranged in the clamp main body, a square light hole is arranged at the central position of the sample placing cavity, and magnet columns are fixedly arranged on two sides of the clamp main body. Two first clamping assemblies are slidably mounted in the clamp main body, third clamping pieces are fixedly mounted on the first clamping assemblies, fixing assemblies are arranged on the two sides of the clamp main body, and second clamping assemblies are arranged on the two sides of the sample placing cavity; the problem that a sample slides off is solved by arranging the first clamping assembly and the fixing assembly, then the first clamping assembly pushes the third clamping assembly to clamp the sample together with the second clamping assembly, the problem that the sample slides off can be solved, a clamping plate can be reset after an experiment is finished, manual resetting of the clamping plate is not needed, and the working efficiency is improved. The trouble caused by manual reset is solved, and the safety of testers is guaranteed.

The utility model discloses a kind of storage devices of accomodating assay sample, including bottom box, sub-box, top box, handle, sample tray and suspension assembly, wherein bottom box is connected with sub-box, top box by multiple groups of connecting rods, handle and first connecting rod, handle connecting rod are formed into three-dimensional linkage mechanism, the synchronous unfolding and closure of sub-box and top box can be realized.Sample tray is equipped with multiple sleeve groove holes for placing sample cake, and suspension assembly is arranged on both sides of the tray, the suspension assembly includes floating frame, sleeve disc seat and base block connected with sample tray, and a floating damping structure is formed between base block and sleeve disc seat by spring.The device has the advantages of compact structure, clear storage level, intuitive batch number identification, stable sample fixation, excellent shock resistance and other advantages, and is suitable for on-site sample management and mobile storage requirements.

The invention discloses a high-precision adjusting device for thinning and polishing a sample and a method for thinning and polishing the sample by using the high-precision adjusting device, and relates to the field of material processing. The invention aims to solve the problems that an existing sample thinning and polishing device cannot carry out thickness-controllable thinning and polishing on a required sample manually in a multi-scene and high-precision manner, the cost is high, and the application occasion is relatively fixed. A high-precision adjusting device for sample thinning and polishing comprises an adjusting mechanism and a transmission mechanism. The adjusting mechanism comprises a transmission shaft, a zero setting dial disc and a first locking nut; the transmission mechanism comprises a handheld frame, a stud, a movable rack, a fastening nut and a second locking nut. The method comprises the following steps: 1, system zeroing; 2, fixing the sample; 3, measuring the thickness of the sample; 4, zeroing the system containing the sample; and 5, thinning the sample. The high-precision adjusting device for sample thinning and polishing has the advantages of being applicable to multi-scene application, high in precision, low in cost and convenient to adjust.

The utility model relates to the technical field of biochemical experiment automation equipment, and discloses a biological sample oscillation grinding machine which comprises a base and a support table installed on the base, a servo motor is installed on the base, a lifting seat is installed on the support table and arranged in a sliding bearing on the base through a guide column, and the servo motor is connected with the lifting seat. A crank wheel is connected to a rotating shaft of the servo motor, a through hole is formed in the middle of the support table, a connecting rod block is arranged below the lifting seat, the crank wheel and the connecting rod block are connected through a connecting rod to form a lifting mechanism, the lifting mechanism penetrates through the through hole in the support table, a sample fixing frame is installed on the lifting seat, and a container is arranged on the sample fixing frame. And a biological sample and crushed particles are placed in the container. The cell crusher is simple in structure and convenient to operate, driving parts are directly and uniformly controlled by an automatic system, and high-speed oscillation cell crushing is realized.

The invention provides a low-temperature sample support which comprises a refrigerating device, a sample fixing groove and a movement mechanism, the movement mechanism comprises at least two vacuum motors, at least two transmission assemblies and at least two movement assemblies, the sample fixing groove is fixed to the movement mechanism, the sample fixing groove is connected with the refrigerating device through a heat transfer assembly, and the vacuum motors are connected with the transmission assemblies. The vacuum motors drive the corresponding movement assemblies to move through the corresponding transmission assemblies, so that the sample fixing grooves and the samples can perform multi-dimensional movement relative to the vacuum cavity, and the at least two vacuum motors do not generate relative movement; the influence of the gravity torque of the vacuum motors on the movement of the sample is eliminated by eliminating the mutual movement between the at least two vacuum motors. And a heat conduction channel between the movement mechanism and the sample fixing groove and the room temperature environment is only formed by the low-heat conduction wire, so that heat conduction between the low-temperature part and the external environment can be effectively reduced, and a lower sample temperature is realized.

The utility model belongs to the technical field of seawater monitoring samples, and particularly relates to a seawater monitoring sample transporting device which comprises a sample box and a sealing door hinged to the sample box, a partition plate is arranged in the sample box and divides the sample box into a sample containing area and a rotating area, and a plurality of hollow shells are arranged at the top of the partition plate. A sample fixing assembly is arranged in each hollow shell, each sample fixing assembly comprises a threaded hole formed in the bottom of the corresponding hollow shell, a mounting hole formed in the top of the corresponding hollow shell and two gears rotationally arranged on the inner wall of the corresponding hollow shell, and a protective sleeve allowing a sample tube to enter is arranged in each mounting hole; a rotating assembly located in the rotating area is arranged in the threaded hole. According to the device, the sample fixing effect is improved, meanwhile, on the premise that the fixing effect is fully guaranteed, the internal space is remarkably saved, more sample tubes can be contained in a sample box of the same specification, and the transportation efficiency is improved.

The invention relates to the technical field of scanning electron microscopes, in particular to a sample fixing device and a scanning electron microscope. The device comprises a base for fixing and a sliding table capable of being quickly disassembled and assembled. A clamping column and an elastic clamping piece are arranged on the base; the sliding table is provided with a sliding groove matched with the clamping column, and the sliding table is connected with a sample support used for containing a sample. When the sliding table slides into the base, the sliding groove and the clamping column are matched to compress the elastic clamping piece to generate elastic clamping force, and rapid locking is achieved. When a sample is replaced, the sliding table can be disassembled and assembled only by simply pushing and pulling, and the sample support can be disassembled and assembled without rotating a fastener. Rapid sample replacement without tools can be achieved, navigation memory of the sample position is achieved through the mechanical positioning structure, and the sample replacement efficiency of the scanning electron microscope is remarkably improved.

The invention provides a loading device for radioactive sample TEM-3DAP combined characterization. The loading device comprises a loading sample fixing table, a sample clamping mechanism and a guide structure, the sample clamping mechanism is used for clamping an FIB carrying net with a radioactive three-dimensional atom probe tip sample; the sample clamping mechanism comprises a first clamping part and a second clamping part, the first clamping part is arranged on the second clamping part and rotates relative to the second clamping part, and the second clamping part is arranged on the loading sample fixing table, so that the sample clamping mechanism is mounted on the loading sample fixing table; the guide structure is arranged on the loading sample fixing table and is used for guiding the FIB carrying net with the radioactive three-dimensional atom probe tip sample to slide to the second clamping part. The guiding structure and the sample clamping mechanism form a guiding and positioning integrated channel, and the sample clamping mechanism rapidly clamps an FIB carrier net with a radioactive three-dimensional atom probe tip sample, so that the sample loading difficulty is greatly reduced, and the sample loading time is shortened.

The utility model discloses an angle-adjustable microscope sample fixing table, which comprises a base, a microscope body and a sample fixing table are arranged on the base, the sample fixing table comprises a base, a rotating shaft, a placing plate and a motor, a containing groove is formed in the top of the base, and the rotating shaft is arranged in the containing groove. The rotating shaft and the placing plate are both arranged in the containing groove, the rotating shaft is rotationally connected with the inner wall of the containing groove, the placing plate is fixedly connected with the rotating shaft, and the motor is used for driving the rotating shaft to rotate. According to the utility model, by adjusting the angle of the sample fixing table, a worker can observe the morphological characteristics of different parts or different angles of a sample more conveniently, so that the observation efficiency is improved. Meanwhile, the device is compact in design, small in occupied space and convenient to install and use in a laboratory.