CN113984468B - Loose metal sintered layer section observation method and ion grinding equipment - Google Patents
Loose metal sintered layer section observation method and ion grinding equipment Download PDFInfo
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- CN113984468B CN113984468B CN202111236709.8A CN202111236709A CN113984468B CN 113984468 B CN113984468 B CN 113984468B CN 202111236709 A CN202111236709 A CN 202111236709A CN 113984468 B CN113984468 B CN 113984468B
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- 238000000227 grinding Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 17
- 239000002184 metal Substances 0.000 title claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 31
- 238000005520 cutting process Methods 0.000 claims abstract description 30
- 230000001681 protective effect Effects 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 230000003197 catalytic effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229910000510 noble metal Inorganic materials 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000000992 sputter etching Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910018879 Pt—Pd Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007210 heterogeneous catalysis Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/27—Work carriers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/34—Accessories
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2866—Grinding or homogeneising
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2873—Cutting or cleaving
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- Mechanical Engineering (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The application relates to a loose metal sintered layer section observation method and ion grinding equipment, and relates to the technical field of metal sintered layers, comprising the following steps: s1, selecting an observation position through an observer; s2, cutting the sample into small-size samples by a cutting machine; s3, grinding the small-size sample by a grinder; s4, observing the position to be cut through an observer; s5, cutting a sample by an ion mill to obtain an observation section; s6, observing the section by using an observer; the fixture is detachably connected with the detection table, the cutting machine, the grinding machine and the ion grinding instrument. According to the method, the observation position of the selected sample is observed through the observer, then the small-size sample is obtained through cutting by the cutting machine, then the small-size sample is subjected to rough grinding, the observer continues to observe the position needing to be cut, then the ion grinder starts to conduct fine grinding to obtain the observation section, and finally the observation section is observed through the observer, so that convenience of the observation section is improved.
Description
Technical Field
The application relates to the technical field of metal sintered layers, in particular to a loose metal sintered layer section observation method and ion grinding equipment.
Background
The large-area failure of the reactor core fuel cladding in the nuclear power station is called a nuclear serious accident when the pressure vessel and the containment of the nuclear power plant are threatened or destroyed. The generation of a large amount of hydrogen and hydrogen explosion in the process are main causes of the failure of the pressure vessel and the containment.
For eliminating hydrogen in the space, the passive hydrogen elimination complex is placed, which is a hydrogen elimination measure widely used in nuclear power space, and noble metal Pd is also applied in most hydrogen complex catalysis. For heterogeneous catalysis, the design of the catalyst is important because more contact area between the catalyst and the reaction atmosphere or more points which can be used as reactive points are obtained, so that dispersed gel containing Pt or Pt-Pd noble metals is often adopted to brush on a carrier plate and then sintered to form a loose porous catalyst coating, the adsorption area can be effectively increased, and the reaction efficiency is improved.
The noble metal catalyst on the surface has poor bonding force with the carrier plate and is easy to fall off, so that the appearance of the catalyst is observed in the preparation of a section, the preparation of a sample is a great difficult problem, in the related technology, a product is generally mechanically cut into small samples, then the small samples are inlaid and fixed through epoxy resin, and then the section sample preparation is finished after mechanical grinding and polishing.
With respect to the related art in the above, the inventors consider that there are the following drawbacks: in the mechanical grinding process, the surface catalyst body is easily separated from the carrier plate in a layering way due to the large stress, so that after the catalyst body is separated, the dispersion degree of the catalyst body and the combination condition with the base material are difficult or even impossible to observe from the section, and the convenience in observing the catalyst body is reduced.
Disclosure of Invention
In order to improve convenience in observing the catalytic body, the application provides a loose metal sintered layer section observation method and ion grinding equipment.
In a first aspect, the present application provides a loose metal sintered layer section observation method, which adopts the following technical scheme:
a loose metal sintered layer cross-section viewing method comprising the steps of:
s1, clamping a sample on a clamp, then placing the clamp and the sample on a detection table, observing through an observer, and selecting a specific position to be observed from the specific position;
s2, placing the clamp on a cutting machine according to the specific position in the S1, and starting the cutting machine to cut the sample on the clamp at the position to be observed into a small-size sample with specified requirements;
s3, clamping the small-size sample on a clamp, then placing the clamp on a grinder, and starting the grinder to mechanically grind the small-size sample;
s4, placing the clamp obtained in the S3 on a detection table in the S1, and observing a position to be cut through an observer;
s5, placing the clamp on an ion mill, and starting an observation position on a cut sample by the ion mill to obtain an observation section;
s6, placing the clamp on the detection table in the S1, and observing the section by using an observer;
the fixture is detachably connected with the detection table, the cutting machine, the grinding machine and the ion grinding instrument through the connecting device.
Through adopting above-mentioned technical scheme, earlier with the sample centre gripping to the anchor clamps, observe through the viewer, select the viewing position of sample according to the observation result, then place the anchor clamps and carry out mechanical cutting viewing position on the cutting machine and obtain small-size sample, then place the small-size sample on the anchor clamps and carry out the centre gripping, then place the anchor clamps on grinding machine and carry out mechanical grinding, i.e. coarse grinding, then place the anchor clamps on the test bench, continue to observe through the viewer and select the position that needs to cut.
Then place the anchor clamps and grind the appearance with the ion, the ion grinds the appearance start-up and grinds the position that needs the cutting, namely fine grinding obtains observing the cross section, and finally places the anchor clamps and surveys the platform, uses the viewer to observe observing the cross section to this realizes observing the cross section, consequently through rough grinding and fine grinding twice process, the ion grinds the appearance simultaneously and does not have mechanical stress and the surplus of grinding is less, so that reduced the probability that the catalyst body drops, improved the convenience of observing the cross section.
And the sample is clamped by the clamp without embedding the sample by using an embedding material, so that the probability of dust generation is reduced, the pollution generated during product embedding and subsequent processes is reduced, and the pollution to the environment is reduced.
Optionally, a plurality of inserting grooves are all seted up on detection platform, cutting machine, grinding machine, the ion mill, connecting device includes:
the plug-in pipe is arranged on the clamp and is in plug-in fit with the plug-in groove;
the fixing assembly is arranged on the clamp and used for positioning the clamp.
By adopting the technical scheme, the fixing assembly is unlocked, the fixture is pulled to separate the plug tube from the plug groove, so that the fixture can be taken down, the fixture is placed on the detection table when the fixture is installed, the plug tube is plugged and installed on the plug groove, and the fixture is positioned by the fixing assembly, so that the error between the position where the device processes the sample and the position actually needed to be observed is reduced, the probability of dislocation of the position needed to be detected after the position where the sample is replaced is also reduced, the convenience in observation is improved, and the convenience in section observation is improved; meanwhile, the fixture is positioned by the fixing assembly, so that the probability of displacement of the fixture is reduced, the accuracy of the fixture in positioning is improved, and the convenience of observing the section is further improved.
Optionally, the grafting pipe has elasticity and sets up a plurality of keep away the position groove that link up grafting pipe inside and outside wall on the bottom, fixed subassembly includes:
the positioning block is arranged on the inner side wall of the plug tube and is provided with an inclined positioning surface;
the positioning rod is connected to the clamp through threads and extends into the plug-in pipe;
the positioning ball is arranged on the positioning rod, when the positioning ball is propped against the positioning surface, the bottom end of the plug-in pipe is enlarged and is propped against the plug-in groove, and when the positioning ball is far away from the positioning surface, the plug-in pipe rebounds to the original position under the action of elasticity.
By adopting the technical scheme, the plug pipe is inserted and installed on the plug groove, the positioning rod is screwed to drive the positioning ball to be pressed against the positioning surface, and the outer diameter of the bottom end of the plug pipe is approximately pressed on the plug groove, so that the position of the clamp is positioned; when the fixture is required to be taken down, the positioning rod is screwed to drive the positioning ball to be far away from the positioning surface, and then the fixture can be taken down.
Optionally, the fixing assembly includes:
the electromagnet is arranged on the clamp and can be adsorbed on the detection table after being electrified;
the control switch is arranged on the clamp and used for controlling the on-off of the electromagnet.
Through adopting above-mentioned technical scheme, the grafting pipe is pegged graft and is installed on the spliced groove, and control switch makes the electro-magnet circular telegram, and the electro-magnet adsorbs on detecting the bench to this is fixed a position anchor clamps, when needing to take off anchor clamps, and control switch control electro-magnet outage, then can take off anchor clamps.
Optionally, the anchor clamps include the base, slide and set up clamping device on the base, be provided with the mobile device that drive clamping device removed on the base, mobile device includes:
the first sliding seat is arranged on the base in a sliding manner;
the second sliding seat is arranged on the first sliding seat in a sliding manner, the sliding direction of the second sliding seat is perpendicular to the sliding direction of the first sliding seat, and the clamping device is arranged on the second sliding seat;
the first adjusting mechanism is arranged on the base and is connected with the first sliding seat;
the second adjusting mechanism is arranged on the first sliding seat and is connected with the second sliding seat;
and the control assembly is arranged on the base and used for controlling the first adjusting mechanism and the second adjusting mechanism.
Through adopting above-mentioned technical scheme, first adjustment mechanism starts to drive first seat that slides and removes, and second adjustment mechanism starts to drive second seat, clamping device and sample that slide to this finds the position that the sample needs to observe, need not to remove whole anchor clamps, has improved the convenience when looking for the observation position, has reduced the sample simultaneously and has moved the error of position and the actually required position when processing of back process, has consequently improved grinding quality and efficiency to the sample, has also improved the convenience when observing the cross-section.
Optionally, the first adjusting mechanism includes:
the first lead screw is rotatably arranged on the base and is in threaded connection with the first sliding seat;
the first motor is arranged on the base and connected with the first screw rod.
Through adopting above-mentioned technical scheme, first motor starts and drives first lead screw and rotate, and first lead screw rotates and drives first seat that slides and remove, and first seat that slides removes and drive the sample and remove to this realizes that first motor starts and drives the sample and remove.
Optionally, the control assembly includes:
the control console is arranged on the base and is electrically connected with the first adjusting mechanism and the second adjusting mechanism;
the control ball rod is rotatably arranged on the control console and can rotate towards four moving directions of the clamping device, and the control ball rod rotates to control the clamping device to move and the rotating direction and the moving direction of the clamping device face the same side.
Through adopting above-mentioned technical scheme, rotate control club and rotate towards a direction, control club rotation control first adjustment mechanism or second adjustment mechanism drive the sample and remove along two mutually perpendicular's directions, control club rotation direction and sample removal direction simultaneously are towards same one side, consequently so in order to remove the sample to convenience when having improved the removal sample in this, thereby improved the convenience when observing the cross-section.
Optionally, a protection device for protecting the control club is arranged on the control console, and the protection device comprises:
the first fixing ring and the second fixing ring are respectively detachably arranged on the control ball rod and the control console;
and the two ends of the protective cloth are respectively connected with the first fixing ring and the second fixing ring and used for blocking impurities from entering the rotating part of the control ball rod.
By adopting the technical scheme, the protective cloth blocks impurities from entering the rotating part of the control ball rod, thereby reducing adverse effects of the impurities on the movement of the control ball rod control clamping device, improving the convenience of the control ball rod control clamping device in moving and improving the convenience of observing the section; and the service life of the control component is prolonged.
Optionally, the clamping device includes:
the first positioning plate and the second positioning plate are arranged on the second sliding seat, and two adjacent side walls of the sample are abutted against the first positioning plate and the second positioning plate for positioning;
the fixed plate is arranged on the first sliding seat in a sliding manner and matched with the first positioning plate and the second positioning plate to clamp the sample;
the clamping screw is in threaded connection with the second sliding seat and is rotationally connected with the fixed plate.
Through adopting above-mentioned technical scheme, place the sample on the second seat upper surface that slides, promote the sample to contradict on first locating plate and the second locating plate, twist the clamping screw and rotate and drive the fixed plate and remove for the fixed plate supports tightly on the sample, thereby carries out the centre gripping to the sample, when need take off the sample, twists the clamping screw and drives the fixed plate and keep away from the sample, consequently can take off the sample, in order to improve the convenience when installing or dismantling the sample.
In a second aspect, the present application provides an ion milling apparatus, which adopts the following technical scheme:
an ion milling apparatus comprising a housing, an ion mill as described in the first aspect disposed within the housing.
Through adopting above-mentioned technical scheme, open the cover body, place anchor clamps and sample on the ion mill, close the cover body, the ion mill starts to cut the sample, has consequently reduced the probability that impurity drifts in the air when cutting, has reduced the pollution to the environment.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the method comprises the steps of firstly clamping a sample on a clamp, observing and selecting an observation position of the sample through an observer, then cutting by a cutting machine to obtain a small-size sample, then carrying out rough grinding on the small-size sample, continuously observing and selecting a position needing cutting through the observer, starting and accurately grinding through an ion grinder to obtain an observation section, and finally observing the observation section through the observer, so that the observation of the observation section is realized, and the ion grinder has no mechanical stress and has less grinding allowance, so that the probability of falling off of a catalytic body is reduced, and the convenience of the observation section is improved;
2. the fixture can be removed by unlocking the fixing assembly, and when the fixture is installed, the fixture is placed on the detection table, and the fixture is positioned by locking the fixing assembly, so that the error between the position where the equipment processes the sample and the position actually required to be observed is reduced, the probability of dislocation of the position required to be detected after the position of the sample is replaced is also reduced, the convenience in observation is improved, and the convenience in section observation is improved;
3. the first adjusting mechanism and the second adjusting mechanism are started to drive the sample to move, so that the position, to be observed, of the sample is found, the whole clamp is not required to be moved, convenience in finding the observation position is improved, errors of the position and the actually required position when the sample moves to the processing of the next procedure are reduced, and therefore grinding quality and efficiency of the sample are improved, and convenience in observing the section is also improved.
Drawings
FIG. 1 is a schematic perspective view of embodiment 1 of the present application;
FIG. 2 is a schematic structural view of embodiment 1 of the present application, in which the inspection station is exploded;
FIG. 3 is a schematic structural view of a connecting device in embodiment 1 of the present application;
FIG. 4 is a schematic cross-sectional view of A-A of FIG. 3;
FIG. 5 is a schematic view of the control assembly and guard of embodiment 1 of the present application;
FIG. 6 is a schematic structural view of a control assembly in embodiment 1 of the present application;
FIG. 7 is a schematic cross-sectional view of B-B of FIG. 5;
fig. 8 is a schematic structural view of the fixing member in embodiment 2 of the present application.
Reference numerals: 1. a detection table; 11. a plug-in groove; 2. a connecting device; 21. a connecting pipe is inserted; 211. a fixing piece; 22. a fixing assembly; 23. a positioning block; 24. a positioning rod; 25. a clearance groove; 26. a positioning ball; 27. a positioning surface; 28. an electromagnet; 29. a control switch; 3. a clamp; 31. a base; 311. a connecting seat; 32. a clamping device; 33. a first positioning plate; 34. a second positioning plate; 35. a fixing plate; 36. clamping a screw; 37. a positioning seat; 4. a mobile device; 41. a first sliding seat; 42. a second sliding seat; 5. a first adjustment mechanism; 51. a first lead screw; 52. a first motor; 6. a second adjustment mechanism; 61. a second lead screw; 62. a second motor; 7. a control assembly; 71. a console; 72. controlling the club; 73. a rotating ball; 731. a ball; 74. a control lever; 75. a mounting groove; 76. a rotating groove; 77. a limit groove; 8. a protective device; 81. a first fixing ring; 811. a clearance hole; 82. a second fixing ring; 83. a protective cloth; 84. a fixing screw; 85. and a positioning ring.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
The embodiment of the application discloses a loose metal sintered layer section observation method.
The ion mill used in this example was an ion mill manufactured by Hitachi high technology Co.
Example 1
Referring to fig. 1, the loose metal sintered layer cross-section observation method includes the steps of:
s1, clamping a sample on a clamp 3, wherein the upper surface of the sample protrudes out of the clamp 3, the clamp 3 is provided with a plurality of clamps 3 with different specifications and sizes so as to be suitable for clamping samples with different sizes, then placing the clamp 3 and the sample on a detection table 1, observing the sample through an observer, moving the sample, and selecting a specific position to be observed from the sample, wherein the observer can be a microscope or a scanning electron microscope;
s2, placing the clamp 3 on a cutting machine according to the specific position obtained in the S1, and starting the cutting machine 11 to cut the position, to be observed, of the sample on the clamp 3 into a small-size sample with specified requirements, wherein the specified required size is generally not more than 2cm multiplied by 2cm in length and width;
s3, clamping the small-size sample on a proper clamp 3; then placing the clamp 3 on a grinder, and starting the grinder to mechanically grind the upper surface of the small-size sample;
s4, placing the clamp 3 in the S3 on the detection table 1 in the S1, continuously observing through an observer, and moving the sample to find out the position to be cut;
s5, placing the clamp 3 obtained in the S4 on an ion mill, and starting an observation position on a cut sample by the ion mill to obtain an observation section;
and S6, placing the clamp 3 obtained in the S5 on the detection table 1 in the S1, and observing the observation section by using an observer.
Referring to fig. 1 and 2, a plurality of inserting grooves 11 are horizontally arranged on a detection table 1, a cutting machine, a grinder and an ion grinder at intervals, the number of the inserting grooves 11 can be four, and meanwhile, the central connecting line of the four inserting grooves 11 is rectangular; meanwhile, a plurality of groups of inserting grooves 11 and observers are arranged on the horizontal array of the detection table 1, so that the plurality of fixtures 3 are conveniently installed on the detection table 1, and the plurality of observers can observe samples on the plurality of fixtures 3 respectively. The fixture 3 is detachably connected with the detection table 1, the cutting machine, the grinder and the ion grinder through the connecting device 2, and explanation is given below by taking the connecting device 2, in which the fixture 3 is connected with the detection table 1, as an example.
Referring to fig. 1 and 2, the clamp 3 includes a base 31, a clamping device 32 horizontally slidably mounted on an upper surface of the base 31 for clamping a sample, and a moving device 4 for driving the clamping device 32 to move is provided on the base 31. Two connecting seats 311 are fixedly arranged at two ends of the base 31 in the length direction, the lower surface of each connecting seat 311 is positioned above the lower surface of the base 31, and the upper surface of each connecting seat 311 is positioned below the upper surface of the base 31; the connecting device 2 is provided with four connecting seats 311, and the connecting device 2 comprises an inserting tube 21 and a fixing assembly 22.
Referring to fig. 2 and 3, the socket 21 is fixedly installed on the lower surface of the connection seat 311, and the socket 21 is in a vertical state and the socket grooves 11 are socket-fitted while the socket 21 has elasticity. The bottom end of the insertion tube 21 is provided with a plurality of avoidance grooves 25 penetrating through the inner side wall and the outer side wall of the insertion tube 21, the avoidance grooves 25 are arranged in an array around the circumference of the axis of the insertion tube 21, and the insertion tube 21 provided with the avoidance grooves 25 forms a plurality of independent fixing sheets 211; the fixing component 22 is disposed on the connecting seat 311 and is used for fixing the base 31.
Referring to fig. 3 and 4, the fixing assembly 22 includes a positioning block 23, a positioning rod 24 and a positioning ball 26, the positioning block 23 is fixedly mounted on the inner sidewall of the fixing piece 211, and the positioning block 23 is provided with a plurality of fixing pieces 211 and is arranged in one-to-one correspondence with the plurality of fixing pieces 211; the side wall of the side, facing away from the fixing piece 211, of the positioning block 23 is provided with an inclined positioning surface 27, and the distance from the top end of the positioning surface 27 to the axis of the plug tube 21 is greater than the distance from the bottom end of the positioning surface 27 to the axis of the plug tube 21.
Referring to fig. 2 and 3, the positioning rod 24 vertically passes through the upper surface of the connecting seat 311 and extends into the plug tube 21, the positioning rod 24 is in threaded connection with the connecting seat 311, and meanwhile, the axis of the positioning rod 24 is coincident with that of the plug tube 21.
Referring to fig. 2 and 4, the positioning ball 26 is integrally provided on the bottom end of the positioning rod 24, and the center of the positioning ball 26 is located on the axis of the positioning rod 24, while the positioning ball 26 is located above the positioning block 23. The positioning ball 26 is pressed against the positioning surface 27 under the action of the positioning rod 24, the positioning ball 26 pushes the positioning block 23 and the fixing piece 211 so that the outer diameter of the fixing piece 211 is enlarged to be tightly pressed on the inserting groove 11, and after the positioning rod 24 drives the positioning ball 26 to be far away from the positioning surface 27, the fixing piece 211 is rebounded to the original position under the action of elasticity.
Referring to fig. 2 and 4, the base 31 is placed on the detection platform 1 so that the two plug tubes 21 are inserted and installed on the plug grooves 11, the positioning rod 24 is screwed to drive the positioning balls 26 to abut against the positioning surface 27, so that the outer diameter of the fixing piece 211 is enlarged to abut against the plug grooves 11, and the clamp 3 is positioned; when the fixture 3 needs to be removed, the positioning rod 24 is screwed away from the positioning block 23, so that the fixing piece 211 rebounds to the original position to remove the fixture 3.
Referring to fig. 1 and 2, the moving device 4 includes a first sliding seat 41, a second sliding seat 42, a first adjusting mechanism 5, and a second adjusting mechanism 6, wherein the first sliding seat 41 is horizontally slidably mounted on the upper surface of the base 31, the second sliding seat 42 is horizontally slidably mounted on the upper surface of the first sliding seat 41, and the sliding direction of the second sliding seat 42 and the first sliding seat 41 is vertical.
Referring to fig. 1 and 2, the first adjusting mechanism 5 is disposed on the base 31 and connected with the first sliding seat 41, the first adjusting mechanism 5 includes a first screw 51 and a first motor 52, the first screw 51 is horizontally rotatably mounted on the base 31 and is screw-coupled with the first sliding seat 41, the first motor 52 is fixedly mounted on the base 31 and an output shaft is connected with the first screw 51.
Referring to fig. 1 and 2, the second adjusting mechanism 6 is disposed on the bottom first sliding seat 41 and connected with the second sliding seat 42, the second adjusting mechanism 6 includes a second screw 61 and a second motor 62, the second screw 61 is horizontally rotatably mounted on the first sliding seat 41 and is in threaded connection with the second sliding seat 42, the second motor 62 is fixedly mounted on the first sliding seat 41 and the output shaft is connected with the second screw 61.
Referring to fig. 1 and 2, the first motor 52 is started to drive the first screw rod 51 to rotate, the first screw rod 51 rotates to drive the first sliding seat 41 to move, the second motor 62 is started to drive the second screw rod 61 to rotate, and the second screw rod 61 rotates to drive the second sliding seat 42, the clamping device 32 and the sample to move, so that the sample is driven to move along two mutually perpendicular directions.
Referring to fig. 1 and 5, the mobile device 4 further includes a control assembly 7, the control assembly 7 is disposed on the base 31 and is used for controlling the first motor 52 and the second motor 62 to start and stop, the control assembly 7 includes a console 71 and a control rod 72, the console 71 is fixedly mounted on the upper surface of the base 31, and the console 71 is electrically connected with the first motor 52 and the second motor 62.
Referring to fig. 5 and 6, an arc-shaped mounting groove 75 is formed on the upper surface of the console 71, and a spherical rotating groove 76 is formed at the lowest position of the mounting groove 75.
Referring to fig. 6 and 7, the control ball 72 includes a turning ball 73 and a control lever 74, the turning ball 73 is rotatably installed on a turning groove 76, and the tip of the turning ball 73 protrudes outside the turning groove 76, while the protruding portion of the turning ball 73 is less than half of the spherical surface area of the turning ball 73. Four circular-arc-shaped limiting grooves 77 communicated with the mounting grooves 75 are formed in the inner side wall of the rotating groove 76, and the circle center of the limiting grooves 77 is coincident with the sphere center of the rotating ball 73.
Referring to fig. 1 and 7, four limiting grooves 77 are provided in one-to-one correspondence with four moving directions of the clamping device 32; the rolling balls 731 rolling on the limiting grooves 77 are rotatably mounted on the side walls of the rolling balls 73 corresponding to the four limiting grooves 77, and the four rolling balls 731 are all located on a horizontal plane passing through the center of the rolling balls 73.
Referring to fig. 1 and 7, a control lever 74 is fixedly installed on the upper surface of the rotating ball 73 in a vertical state; the toggle control rod 74 drives the rotating ball 73 to rotate, the rotating ball 73 drives the two balls 731 to roll on the limiting groove 77, when the rotating ball 73 rotates towards one direction, the rotating ball 73 controls the clamping device 32 to move towards the same direction through the control console 71, and therefore the clamping device 32 and the sample are controlled to move along four directions through the rotation of the rotating ball 73 towards four directions, and the position of the sample is adjusted.
Referring to fig. 5 and 7, a protection device 8 for protecting the control assembly 7 is provided on the console 71, and the protection device 8 includes a first fixing ring 81, a second fixing ring 82, and a protection cloth 83, and the first fixing ring 81 and the second fixing ring 82 are detachably connected to the control lever 74 and the upper surface of the console 71 by fixing screws 84, respectively.
Referring to fig. 5 and 7, a positioning ring 85 is coaxially and fixedly installed on the control rod 74 and above the console 71, the first fixing ring 81 is installed on the upper surface of the positioning ring 85, the fixing screw 84 passes through the first fixing ring 81 and is in threaded connection with the positioning ring 85, and meanwhile, a clearance hole 811 through which the control rod 74 passes is formed in the positioning ring 85, so that the first fixing ring 81 can be removed after the fixing screw 84 is disassembled.
Referring to fig. 5 and 7, the second fixing ring 82 is installed on the upper surface of the console 71, and the fixing screw 84 passes through the second fixing ring 82 and is screw-coupled with the upper surface of the console 71, while the mounting groove 75 is located in the second fixing ring 82, and the outer diameter of the first fixing ring 81 is smaller than that of the second fixing ring 82. The protective cloth 83 is round platform form, protective cloth 83 one end and the fixed ring 81 lateral wall fixed connection of first, and the protective cloth 83 other end and the fixed ring 82 upper surface fixed connection of second, protective cloth 83 stops impurity entering mounting groove 75 simultaneously to this stops impurity to move to the pivoted department of slewing ball 73.
Referring to fig. 1 and 2, the clamping device 32 includes a first positioning plate 33, a second positioning plate 34, a fixing plate 35 and a clamping screw 36, wherein the first positioning plate 33 and the second positioning plate 34 are fixedly mounted on the upper surface of the second sliding seat 42 and are in a vertical state, and two adjacent side walls of the sample are abutted against the first positioning plate 33 and the second positioning plate 34 for positioning; the second sliding seat 42 is fixedly provided with a positioning seat 37 on the upper surface and on one side of the second positioning plate 34 away from the first positioning plate 33.
Referring to fig. 1 and 2, the fixing plate 35 is horizontally slidably installed on the upper surface of the second sliding seat 42, and the lower surface of the fixing plate 35 is abutted against the upper surface of the second sliding seat 42, while the fixing plate 35 is located between the first positioning plate 33 and the positioning seat 37, and the clamping screw 36 horizontally passes through the positioning seat 37 and is rotatably connected with the side wall of the fixing plate 35 on the side facing away from the first positioning plate 33.
Referring to fig. 1 and 2, a sample is placed on the upper surface of the second sliding seat 42, the sample is pushed to enable two adjacent side walls of the sample to abut against the first positioning plate 33 and the second positioning plate 34 for positioning, and then the clamping screw 36 is screwed to rotate to drive the fixing plate 35 to abut against the side walls of the sample, so that the first positioning plate 33, the second positioning plate 34 and the fixing plate 35 cooperate to clamp the sample, and the sample is clamped on the second sliding seat 42.
The working principle of the embodiment of the application is as follows:
clamping the sample onto the second slide seat 42, and then placing the base 31 onto the detection table 1; observing the sample by an observer, and then swinging the control rod 72 to adjust the position of the sample so as to select the position to be observed; then placing the base 31 on a cutting machine, and cutting the position of the sample to be observed by the cutting machine to obtain a small-size sample; the small-size sample is clamped on a proper second sliding seat 42, the base 31 is placed on a grinder to mechanically grind the upper surface, namely coarse grinding, then the base 31 is placed on the detection table 1, the small-size sample after grinding is observed by an observer, and the small-size sample is moved to obtain a position to be cut.
Then the base 31 is placed on the ion mill to grind the position to be cut, namely, the base 31 is finely ground to obtain an observation section, and finally, the base 31 is placed on the detection table 1 to observe the section, so that the observation of the section is realized, and therefore, the ion mill has no mechanical stress and less grinding allowance through two procedures of rough grinding and fine grinding, so that the probability of falling off of a catalytic body is reduced, and the convenience of observing the section is improved.
When the base 31 is placed on the detection table 1, the plug tube 21 is plugged and installed on the plug groove 11, the positioning rod 24 is screwed to enable the fixing piece 211 to abut against the plug groove 11 to be used for fixing the position of the base 31, when the base 31 needs to be removed, the positioning rod 24 is screwed to be far away from the fixing piece 211, so that the base 31 can be removed, and meanwhile, the base 31 is placed on a cutting machine, a grinding machine and an ion grinding instrument to position the base 31 and a sample by the same method, so that errors between the position where the sample is processed by equipment and the position actually needed to be observed are reduced, grinding quality and efficiency of the sample are improved, the probability of falling of a catalytic body is reduced, and convenience of observing a section is improved.
And the sample is clamped through the clamp 3, and the sample is not required to be inlaid by using an inlaid material, so that the probability of dust generation is reduced, the pollution generated during product inlaying and subsequent processes is reduced, and the pollution to the environment is reduced.
Example 2
Referring to fig. 8, the present embodiment is different from embodiment 1 in that the fixing assembly 22 includes an electromagnet 28 and a control switch 29, the electromagnet 28 is provided with four and fixedly installed on the lower surfaces of four connection seats 311, and the electromagnet 28 is located between the insertion tube 21 and the base 31, while the lower surface of the electromagnet 28 is flush with the lower surface of the base 31, and the electromagnet 28 is adsorbed on the detection table 1 after being energized; the control switch 29 is fixedly arranged on the side wall of the base 31, and the control switch 29 is electrically connected with the four electromagnets 28, and the control switch 29 controls the on-off of the four electromagnets 28.
The working principle of the embodiment of the application is as follows:
the control switch 29 is started to enable the four electromagnets 28 to be electrified, and the four electromagnets 28 are adsorbed on the detection table 1 so as to fix the base 31; when the base 31 needs to be removed, the control switch 29 is activated to power off the four electromagnets 28, so that the base 31 can be removed.
The embodiment of the application discloses ion grinding equipment
Referring to fig. 1, the ion milling apparatus includes a housing, an ion mill fixedly installed in the housing, a feed port through which the jig 3 and the sample pass is provided on the housing, and a protective door for blocking the feed port is slidably installed on the housing.
The working principle of the embodiment of the application is as follows:
the protection door is opened, the clamp 3 and the sample are placed on the ion mill, and the ion mill starts to cut the sample, so that the probability that impurities fly into the air during cutting is reduced, and the pollution to the environment is reduced.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (6)
1. A loose metal sintered layer section observation method is characterized in that: the method comprises the following steps:
s1, clamping a sample on a clamp (3), then placing the clamp (3) and the sample on a detection table (1) for observation through an observer, and selecting a specific position to be observed from the specific position;
s2, placing the clamp (3) on a cutting machine according to the specific position in the S1, and starting the cutting machine to cut the sample on the clamp (3) into a small-size sample with a specified requirement according to the specific position observed as required;
s3, clamping the small-size sample on a clamp (3), then placing the clamp (3) on a grinder, and starting the grinder to mechanically grind the small-size sample;
s4, placing the clamp (3) on a detection table (1) in the S1, and observing and selecting a position to be cut through an observer;
s5, placing the clamp (3) on an ion mill, and starting the ion mill to cut a position to be cut on the sample to obtain an observation section;
s6, placing the clamp (3) on the detection table (1) in the S1, and observing the section by using an observer;
the clamp (3) is detachably connected with the detection table (1), the cutting machine, the grinding machine and the ion grinding instrument through the connecting device (2);
all set up a plurality of grafting grooves (11) on detection platform (1), cutting machine, grinding machine, ion mill, connecting device (2) include:
the inserting tube (21) is arranged on the clamp (3) and is in inserting fit with the inserting groove (11);
-a fixing assembly (22), the fixing assembly (22) being arranged on the clamp (3) and being used for positioning the clamp (3);
the grafting pipe (21) has elasticity and has seted up a plurality of keep away position groove (25) of lining up the inside and outside lateral wall of grafting pipe (21) on the bottom, fixed subassembly (22) include:
the positioning block (23) is arranged on the inner side wall of the plug tube (21) and is provided with an inclined positioning surface (27);
the positioning rod (24) is in threaded connection with the clamp (3) and extends into the plug-in pipe (21);
the positioning ball (26) is arranged on the positioning rod (24), when the positioning ball (26) is propped against the positioning surface (27), the bottom end of the plug tube (21) is enlarged and is propped against the plug groove (11), and when the positioning ball (26) is far away from the positioning surface (27), the plug tube (21) is rebounded to the original position under the action of elasticity;
the fixture (3) comprises a base (31), and a clamping device (32) arranged on the base (31) in a sliding manner, wherein a moving device (4) for driving the clamping device (32) to move is arranged on the base (31), and the moving device (4) comprises:
the first sliding seat (41), the first sliding seat (41) is arranged on the base (31) in a sliding way;
the second sliding seat (42), the second sliding seat (42) is arranged on the first sliding seat (41) in a sliding mode, the sliding direction of the second sliding seat is perpendicular to the sliding direction of the first sliding seat (41), and the clamping device (32) is arranged on the second sliding seat (42);
the first adjusting mechanism (5) is arranged on the base (31) and is connected with the first sliding seat (41);
the second adjusting mechanism (6) is arranged on the first sliding seat (41) and is connected with the second sliding seat (42);
and the control assembly (7) is arranged on the base (31) and used for controlling the first adjusting mechanism (5) and the second adjusting mechanism (6).
2. A loose metal sintered layer cross-section viewing method as claimed in claim 1, wherein: the securing assembly (22) includes:
the electromagnet (28) is arranged on the clamp (3) and can be adsorbed on the detection table (1) after being electrified;
and a control switch (29), wherein the control switch (29) is arranged on the clamp (3) and is used for controlling the on-off of the electromagnet (28).
3. A loose metal sintered layer cross-section viewing method as claimed in claim 1, wherein: the first adjustment mechanism (5) comprises:
the first lead screw (51) is rotatably arranged on the base (31) and is in threaded connection with the first sliding seat (41);
and the first motor (52) is arranged on the base (31) and is connected with the first screw rod (51).
4. A loose metal sintered layer cross-section viewing method as claimed in claim 1, wherein: the control assembly (7) comprises:
a console (71), the console (71) being arranged on the base (31) and being electrically connected to the first adjustment mechanism (5) and the second adjustment mechanism (6);
the control ball rod (72) is rotatably arranged on the control table (71) and can rotate towards four moving directions of the clamping device (32), and the control ball rod (72) rotatably controls the clamping device (32) to move and the rotating direction and the moving direction of the clamping device (32) face the same side.
5. A loose metal sintered layer cross-section viewing method as claimed in claim 4, wherein: a protection device (8) for protecting the control ball rod (72) is arranged on the control console (71), and the protection device (8) comprises:
a first fixing ring (81) and a second fixing ring (82), wherein the first fixing ring (81) and the second fixing ring (82) are respectively detachably arranged on the control ball rod (72) and the control console (71);
and the two ends of the protective cloth (83) are respectively connected with the first fixing ring (81) and the second fixing ring (82) and used for blocking impurities from entering the rotating part of the control ball rod (72).
6. A loose metal sintered layer cross-section viewing method as claimed in claim 1, wherein: the clamping device (32) comprises:
the first positioning plate (33) and the second positioning plate (34), the first positioning plate (33) and the second positioning plate (34) are arranged on the second sliding seat (42), and two adjacent side walls of the sample are abutted against the first positioning plate (33) and the second positioning plate (34) for positioning;
the fixing plate (35) is arranged on the first sliding seat (41) in a sliding manner, and is matched with the first positioning plate (33) and the second positioning plate (34) to clamp the sample;
the clamping screw rod (36), the clamping screw rod (36) is connected to the second sliding seat (42) in a threaded mode and is connected with the fixing plate (35) in a rotating mode.
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| CN202111236709.8A CN113984468B (en) | 2021-10-23 | 2021-10-23 | Loose metal sintered layer section observation method and ion grinding equipment |
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| CN202111236709.8A CN113984468B (en) | 2021-10-23 | 2021-10-23 | Loose metal sintered layer section observation method and ion grinding equipment |
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