CN108387595B - Graphitization degree testing device and method for artificial graphite - Google Patents
Graphitization degree testing device and method for artificial graphite Download PDFInfo
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- CN108387595B CN108387595B CN201810148764.3A CN201810148764A CN108387595B CN 108387595 B CN108387595 B CN 108387595B CN 201810148764 A CN201810148764 A CN 201810148764A CN 108387595 B CN108387595 B CN 108387595B
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- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/20—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
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Abstract
A graphitization degree testing device and a graphitization degree testing method for artificial graphite belong to the technical field of artificial graphite performance testing. The invention aims to solve the problem that errors exist in the artificial graphite graphitization degree test. The X-ray tube type X-ray detector comprises an X-ray tube, an incident diaphragm, a receiving diaphragm, an X-ray detector, a male die mechanism, a female die mechanism, a grabbing manipulator, a rotating table and a supporting seat, wherein the X-ray tube is installed on the incident diaphragm support in the length direction of the supporting seat through the incident diaphragm support, the incident diaphragm support is provided with a ray tube support, the incident diaphragm is installed on the ray tube support, the rotating table rotates relative to the supporting seat, the female die mechanism is installed on the rotating table, the detector support is installed on the side wall of the rotating table, the receiving diaphragm and the X-ray detector are installed on the detector support, a first supporting column and a second supporting column are installed in the width direction of the supporting seat, and. The invention is applied to the field of graphitization degree test.
Description
Technical Field
The invention relates to a graphite graphitization degree testing device, and belongs to the technical field of artificial graphite performance testing.
Background
Graphite has the characteristics of no melting at high temperature, good electric and heat conducting properties, excellent chemical stability and the like, and is widely applied to the industries of metallurgy, chemical engineering, aerospace and the like. Nowadays, the industry often treats carbon raw materials (such as petroleum coke, pitch coke, etc.) through calcining, crushing, pressing, roasting, high-temperature graphitization to obtain high-performance artificial graphite materials.
The crystal structure of graphite in our ideal case is a close-packed hexagonal structure, and the lattice constants a and c are 0.2461nm and 0.6708nm, but even natural graphite has many defects in its crystal structure, and the lattice constants are different from those of ideal graphite.
The graphitization degree of the artificial graphite in practical application is greatly influenced by the manufacturing process and raw materials, and particularly, the artificial graphite serving as a carbon composite material for an aviation brake can ensure that the material has the optimal service performance by ensuring that the graphitization degree reaches a certain value.
The existing graphitization degree detection process is that powder graphite is often placed on an XRD instrument for detection, the powder graphite is detected in a detection mode, and the powder graphite is integrally scanned in sequence by X rays during detection.
Therefore, the test of the graphitization degree is necessary and indispensable as a means for product quality control and a basis for adjusting manufacturing process parameters.
Disclosure of Invention
The present invention is directed to solving the above problems, and further provides an apparatus and a method for testing graphitization degree of artificial graphite.
The technical scheme of the invention is as follows:
the graphitization degree testing device for the artificial graphite comprises an X-ray tube, an incident diaphragm, a ray tube support, an incident diaphragm support, a receiving diaphragm, an X-ray detector, a detector support, a first support column, a male die mechanism, a female die mechanism, a second support column, a grabbing mechanical arm, a sample stage and a support seat, wherein the support seat is a cuboid support seat, the incident diaphragm support is installed on the length direction of the support seat, the X-ray tube is installed on the incident diaphragm support, the ray tube support is further installed on the incident diaphragm support, the incident diaphragm is installed on the ray tube support, the X-ray tube is started, X-rays can penetrate through the incident diaphragm to irradiate on a sample, a slide rail is installed on the support seat, the sample stage is installed in a matching way with the slide rail, a rotating stage is installed on the sample stage, the rotating stage rotates, the detector support be bending structure, the detector support mounting on the lateral wall of revolving stage, detector support after the installation with incident diaphragm support be in the length direction of supporting seat jointly, receiving diaphragm and X-ray detector all install on the detector support, X-ray detector with receive the diaphragm electricity and be connected, X-ray detector receives the diffraction signal that passes receiving diaphragm, first support column and second support column install on the width direction of supporting seat, first support column and second support column install the both sides at the sample platform, the vertical direction of first support column on install first slide rail, the cooperation is installed on the first slide rail and is had first slide, terrace die mechanism install perpendicularly on the first slide rail, the vertical direction of second support column on install the second slide rail, the cooperation is installed the second slide on the second slide rail, the grabbing manipulator is vertically arranged on the second sliding seat.
Preferably: the terrace die mechanism include terrace die mount pad, terrace die supporting shoe, terrace die connecting block, terrace die installation arm and cylinder terrace die briquetting, the terrace die mount pad pass through bolt fixed mounting on first slide, the terrace die mount pad on install the terrace die supporting shoe, the upper end of terrace die supporting shoe articulated have the terrace die connecting block, terrace die supporting shoe and terrace die connecting block are the wedge, its wedge cooperation is used, the one end and the terrace die connecting block of terrace die installation arm be connected the installation, cylinder terrace die briquetting is installed to the other end of terrace die connecting block, cylinder terrace die briquetting include terrace die briquetting body and set up at the inside electric heating pipe of terrace die briquetting body.
Preferably: die mechanism include die support, die, push pedal and electric putter, die support mounting on the revolving stage, the die install on the die support, the up end processing of die has the step form to place the recess, the push pedal install in placing the recess, the up end of push pedal with place the recess and form a material recess and be used for graphite powder hot briquetting, the lower terminal surface of push pedal is connected at electric putter's output, electric putter preset install in the die support.
Preferably: snatch the manipulator including snatching mechanism, rotor arm and mount pad, mount pad fixed mounting on the second slide, the rotor arm pass through bearing and mount pad cooperation installation, the mount pad in install servo motor, servo motor's output and rotor arm are established and are connected, under servo motor's rotation effect, the relative mount pad of rotor arm rotates, the top at the rotor arm is installed to the mechanism of snatching.
Preferably: the grabbing mechanism comprises a clamping seat, a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a grabbing support frame and a pushing cylinder, the grabbing support frame is provided with two installation parts, the two installation parts are symmetrically arranged, the pushing cylinder is installed on the grabbing support frame, the fourth connecting rod is installed on an output shaft of the pushing cylinder and is perpendicular to the output shaft of the pushing cylinder, the third connecting rod is hinged to the two ends of the fourth connecting rod respectively, one end of the second connecting rod is hinged to the clamping seat, the other end of the second connecting rod is hinged to the third connecting rod, the middle position of the second connecting rod is hinged to the installation part of the grabbing support frame, the first connecting rod is connected with the clamping seat and the installation parts, the first connecting rod is hinged to the clamping seat and the installation parts, and under the action of the pushing cylinder, the first connecting rod, the second connecting rod and the installation parts are hinged to each, The third connecting rod and the fourth connecting rod are linked to further drive the clamping seat to realize clamping operation.
Preferably: the sample bench is installed through rotating the platform mount pad to the revolving stage, the revolving stage mount pad pass through the bearing installation with the revolving stage, the revolving stage mount pad in install and rotate servo motor, under the effect that rotates servo motor, the revolving stage rotates the platform mount pad rotation action relatively.
A graphitization degree testing method for artificial graphite comprises the following steps:
step one, manufacturing a flaky artificial graphite test sample
Manufacturing a sheet artificial graphite test sample by a male die mechanism and a female die mechanism of the artificial graphite graphitization degree testing device; the artificial graphite powder is placed in a placing groove of the female die mechanism, the sample table is driven to slide relative to the slide rail, so that the female die mechanism corresponds to the male die mechanism in position, a cylindrical male die pressing block of the male die mechanism is started, and the artificial graphite powder placed in the female die mechanism is hot-pressed into a wafer shape by the cylindrical male die pressing block;
step two, grabbing the flaky artificial graphite test sample manufactured in the step one
After the flaky artificial graphite test sample is manufactured, moving the male die mechanism away, arranging a push plate in a placing groove of the female die mechanism, starting an electric push rod, pushing the flaky artificial graphite test sample to rise by the push plate, starting a grabbing manipulator at the moment, and driving a connecting rod mechanism to grab the flaky artificial graphite test sample by the grabbing mechanism of the grabbing manipulator under the action of a pushing cylinder;
step three, carrying out an X-ray diffraction test to obtain an artificial graphite XRD data map
And starting the X-ray tube, enabling the X-ray to penetrate through the incident diaphragm to irradiate a sample, starting the rotating platform, driving the detector support to swing by the rotating platform, enabling the receiving diaphragm and the X-ray detector which are installed on the detector support to swing along with the detector support, enabling the X-ray detector to start to move in a set angle range, receiving diffraction signals penetrating through the receiving diaphragm, transmitting data back to the control system, and further obtaining an artificial graphite XRD data map.
Preferably: the X-ray detector is a point detector, a line detector or an area detector.
The invention has the following beneficial effects:
1. the invention completes the graphitization degree monitoring of the artificial graphite through the cooperative operation of the arranged XRD diffraction test device and the artificial graphite sheet material manufacturing device, avoids the problem that the numerical error of the detected graphitization degree is large due to the unstable structure of the graphite powder in the existing artificial graphite powder detection, and ensures that the artificial graphite material has the best use performance through the test measurement of the graphitization degree of the artificial graphite;
2. the invention can rapidly and accurately control the XRD test scanning position and angle of the sample, and rapidly and accurately control the diffraction angle measurement;
3. the male die mechanism, the female die mechanism and the grabbing manipulator are arranged in a sliding mode, the positions of the male die mechanism, the female die mechanism and the grabbing manipulator can be freely adjusted, the smooth manufacture of the flaky artificial graphite sample is ensured, and the device has the characteristic of convenience in use;
4. this snatch manipulator has concurrently and snatchs action and rotation action, ensures to snatch the test sample after, the test sample can rotate 90 to guaranteed that X ray passes incident diaphragm direct irradiation on the sample.
5. The device for testing the graphitization degree of the artificial graphite has ingenious structural design, can more accurately measure the graphitization degree, more reasonably reflects the actual condition of the graphitization degree in the material and ensures that the artificial graphite material has the best service performance.
Drawings
FIG. 1 is an isometric view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is an isometric view of the punch mechanism;
FIG. 5 is a schematic structural diagram of a cylindrical punch press;
FIG. 6 is a schematic structural view of a die mechanism;
FIG. 7 is a structural view of a grasping robot;
in the figure, 1-an X-ray tube, 2-an incident diaphragm, 3-a ray tube support, 4-an incident diaphragm support, 5-a receiving diaphragm, 6-an X-ray detector, 7-a detector support, 8-a first support column, 9-a punch mechanism, 10-a die mechanism, 11-a second support column, 12-a grabbing manipulator, 13-a sample table, 14-a support seat, 15-a slide rail, 16-a rotating table, 17-a first slide rail, 18-a first slide seat, 19-a second slide rail, 20-a second slide seat, 21-a punch mounting seat, 22-a punch support block, 23-a punch connecting block, 24-a punch mounting arm, 25-a cylindrical punch press, 26-a punch press body, 27-an electric heating tube, 28-die support, 29-die, 30-push plate, 31-electric push rod, 32-placing groove, 33-grabbing mechanism, 34-rotating arm, 35-mounting seat, 36-bearing, 37-servo motor, 38-clamping seat, 39-first connecting rod, 40-second connecting rod, 41-third connecting rod, 42-fourth connecting rod, 43-grabbing support frame, 44-pushing cylinder, 45-mounting part, 46-rotating table mounting seat and 47-rotating servo motor.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 7, and the graphitization degree testing device for artificial graphite of the embodiment includes an X-ray tube 1, an incident diaphragm 2, a tube support 3, an incident diaphragm support 4, a receiving diaphragm 5, an X-ray detector 6, a detector support 7, a first support column 8, a punch mechanism 9, a die mechanism 10, a second support column 11, a grasping manipulator 12, a sample stage 13 and a support base 14, wherein the support base 14 is a cuboid support base, the incident diaphragm support 4 is installed in the length direction of the support base 14, the X-ray tube 1 is installed on the incident diaphragm support 4, the tube support 3 is also installed on the incident diaphragm support 4, the incident diaphragm 2 is installed on the tube support 3, the X-ray tube is started, the X-ray can penetrate through the incident diaphragm 2 and irradiate on the sample, a slide rail 15 is installed on the support base 14, sample platform 13 and slide rail 15 cooperation installation, install on the sample platform 13 and rotate platform 16, rotate platform 16 and rotate sample platform 13 relatively, install die mechanism 10 on rotating platform 16, detector support 7 be bending structure, detector support 7 installs on the lateral wall of rotating platform 16, detector support 7 after the installation is in the length direction of supporting seat 14 with incident diaphragm support 4 jointly, receiving diaphragm 5 and X-ray detector 6 all install on detector support 7, X-ray detector 6 with receive diaphragm 5 electricity and be connected, X-ray detector 6 receives the diffraction signal that passes receiving diaphragm 5, first support column 8 and second support column 11 install on the width direction of supporting seat 14, first support column 8 and second support column 11 install the both sides at sample platform 13, the vertical direction of first support column 8 on install first slide rail 17, first slide rail 17 goes up the cooperation and installs first slide 18, terrace die mechanism 9 install perpendicularly on first slide 18, the vertical direction of second support column 11 on install second slide 19, second slide 20 is installed in the cooperation on the second slide 19, snatch manipulator 12 and install perpendicularly on second slide 20. With the arrangement, when the artificial graphite graphitization degree test is carried out by using the artificial graphite graphitization degree test device, firstly, a sample is required to be produced, the specific working process is that the first sliding seat 18 and the sample platform 13 are adjusted, the smearing mechanism 9 arranged on the first sliding seat 18 and the sample platform 13 is matched with the female die mechanism, the artificial graphite powder to be tested is hot-pressed to form a sheet graphite sheet, after the hot-pressing forming, the second sliding seat 20 is adjusted to move relative to the second supporting column 11, the second supporting column 11 arranged on the second sliding seat 20 grabs the hot-pressed sheet artificial graphite, then the X-ray tube 1 is started, X-rays pass through the incident diaphragm 2 to irradiate the sample, meanwhile, the rotating platform 16 is started, the rotating platform drives the detector bracket 7 to swing, the receiving diaphragm 5 and the X-ray detector 6 arranged on the detector bracket 7 swing along with the detector bracket 7, the X-ray detector 6 starts to move in a set angle range, and transmitting the data back to the control system, thereby obtaining the XRD data spectrum of the artificial graphite.
The second embodiment is as follows: the embodiment will be described with reference to fig. 1 to 7, and the graphitization degree testing apparatus for artificial graphite according to the embodiment, the male die mechanism 9 comprises a male die mounting seat 21, a male die supporting block 22, a male die connecting block 23, a male die mounting arm 24 and a cylindrical male die pressing block 25, the male die mounting seat 21 is fixedly arranged on the first slide seat 18 through bolts, a male die supporting block 22 is arranged on the male die mounting seat 21, the upper end of the punch supporting block 22 is hinged with a punch connecting block 23, the punch supporting block 22 and the punch connecting block 23 are both wedge-shaped blocks, the wedge-shaped surface of the device is matched for use, one end of the male die mounting arm 24 is connected and mounted with the male die connecting block 23, the other end of the male die connecting block 23 is provided with a cylindrical male die pressing block 25, the cylindrical punch press 25 comprises a punch press body 26 and an electric heating tube 27 arranged inside the punch press body 26. According to the arrangement, the male die supporting block 22 and the male die connecting block 23 are arranged to be wedge-shaped block hinged structures, the male die mounting arm 24 is stably mounted under the action of a wedge-shaped mechanism, and when the cylindrical male die pressing block 25 is matched with the placing groove of the female die mechanism 10 for hot press forming, the male die supporting block 22 can bear the pressure of the male die connecting block 23 and the male die mounting arm 24, so that the poor hot press forming effect caused by the forced deformation of the male die mounting arm 24 during hot press forming is avoided; it is required to disclose that, because the male die supporting block 22 and the male die connecting block 23 are arranged in a wedge-shaped block hinge structure, after the male die supporting block 22 and the male die connecting block 23 are arranged in a vertical state, locking can be realized through a hook arranged on the male die supporting block 22 and a hanging lug of the male die connecting block 23, so that the male die supporting block 22 acts relative to the male die connecting block 23 in the process of realizing the hot-press forming of the artificial stone toner; the invention adopts the working principle of hot-press molding, graphite powder passes through the punch press block body 26 of the cylindrical punch press block 25 and the electric heating tube 27 arranged in the punch press block body 26 to be used as a heat source, certain pressure is applied, the melting temperature and time of the artificial graphite are controlled to achieve hardening and cooling after melting, and a model finished product is taken out.
The third concrete implementation mode: the embodiment is described with reference to fig. 1 to 7, and the graphitization degree testing device for artificial graphite of the embodiment comprises a die support 28, a die 29, a push plate 30 and an electric push rod 31, wherein the die support 28 is mounted on a rotating table 16, the die 29 is mounted on the die support 28, a step-shaped placing groove 32 is formed in the upper end surface of the die 29, the push plate 30 is mounted in the placing groove 32, a material groove is formed between the upper end surface of the push plate 30 and the placing groove 32 and used for hot press molding of graphite powder, the lower end surface of the push plate 30 is connected to the output end of the electric push rod 31, and the electric push rod 31 is mounted in the die support 28 in advance. According to the arrangement, the female die is provided with a flake graphite pushing structure, the specific work is that after flake graphite is formed by hot pressing in the placing groove 32, the output end of the electric push rod 31 drives the push plate 30 to push the flake graphite out of the placing groove 32, so that the edge of the flake graphite can be clamped by the grabbing manipulator, and further the graphitization degree test is realized.
The fourth concrete implementation mode: the embodiment is described with reference to fig. 1 to 7, and the graphitization degree testing device for artificial graphite of the embodiment includes a grabbing mechanism 33, a rotating arm 34 and a mounting seat 35, the mounting seat 35 is fixedly mounted on the second sliding seat 20, the rotating arm 34 is mounted in cooperation with the mounting seat 35 through a bearing 36, a servo motor 37 is mounted in the mounting seat 35, an output end of the servo motor 37 is connected with the rotating arm 34, the rotating arm 34 rotates relative to the mounting seat 35 under the rotation action of the servo motor 37, and the grabbing mechanism 33 is mounted at a top end of the rotating arm 34. With the arrangement, the grabbing manipulator 12 can complete actions with two degrees of freedom, the first action with the automatic degree is the grabbing action of the grabbing mechanism 33, the second degree of freedom is the rotating action of the rotating arm 34, and under the action of the two degrees of freedom, the grabbing manipulator completes grabbing operation; because the flake graphite formed by the male die mechanism and the female die mechanism is in a horizontal state, the flake graphite after being grabbed is turned over for 90 degrees under the rotation of the rotating arm 34, so that the side surface of the flake graphite is right opposite to XRD test equipment, the automatic mechanism brings convenience for the test of the sample, the problem that the manual placement of the sample to be tested wastes time and labor is solved, and the test efficiency of the degree of graphitization of the artificial graphite is also improved.
The fifth concrete implementation mode: the embodiment is described with reference to fig. 1 to 7, the gripping mechanism 33 of the embodiment includes a clamping seat 38, a first connecting rod 39, a second connecting rod 40, a third connecting rod 41, a fourth connecting rod 42, a gripping support 43 and a pushing cylinder 44, the gripping support 43 has two mounting portions 45, the two mounting portions are symmetrically arranged, the pushing cylinder 44 is mounted on the gripping support 43, the fourth connecting rod 42 is mounted on an output shaft of the pushing cylinder 44, the fourth connecting rod 42 and the output shaft of the pushing cylinder 44 are perpendicular to each other, two ends of the fourth connecting rod 42 are respectively hinged to the third connecting rod 41, one end of the second connecting rod 40 is hinged to the clamping seat 38, the other end of the second connecting rod 40 is hinged to the third connecting rod 41, the middle position of the second connecting rod 40 is hinged to the mounting portion 45 of the gripping support 43, first connecting rod 39 connect grip slipper 38 and installation department 45, the connected mode of first connecting rod and grip slipper 38 and installation department 45 is articulated, under the effect of pushing away cylinder 44, first connecting rod 39, second connecting rod 40, third connecting rod 41 and fourth connecting rod 42 linkage and then drive grip slipper 38 and realize the centre gripping operation. The invention skillfully utilizes the mechanical link mechanism to complete simple and reliable gripping and clamping operation of the flake graphite.
The sixth specific implementation mode: referring to fig. 1 to 7, the embodiment of the graphitization degree testing device for artificial graphite according to the embodiment is described, the rotating table 16 is mounted on the sample table 13 through a rotating table mounting seat 46, the rotating table mounting seat 46 and the rotating table 16 are mounted through a bearing, a rotating servo motor 47 is mounted in the rotating table mounting seat 46, and the rotating table 16 rotates relative to the rotating table mounting seat 46 under the action of the rotating servo motor 47.
The seventh embodiment: the embodiment will be described with reference to fig. 1 to 7, and the graphitization degree test method for artificial graphite of the embodiment includes the following steps:
step one, manufacturing a flaky artificial graphite test sample
Manufacturing a sheet-shaped artificial graphite test sample by a male die mechanism 9 and a female die mechanism 10 of an artificial graphite graphitization degree testing device; the artificial graphite powder is placed in the placing groove 32 of the female die mechanism 10, the sample table 13 is driven to slide relative to the slide rail 15, so that the female die mechanism 10 and the male die mechanism 9 correspond to each other in position, the cylindrical male die pressing block 25 of the male die mechanism 9 is started, and the artificial graphite powder placed in the female die mechanism 10 is hot-pressed into a wafer shape by the cylindrical male die pressing block 25;
step two, grabbing the flaky artificial graphite test sample manufactured in the step one
After the sheet-shaped artificial graphite test sample is manufactured, the male die mechanism 9 is removed, a push plate 30 is arranged in a placing groove 32 of the female die mechanism 10, after an electric push rod 31 is started, the push plate pushes the sheet-shaped artificial graphite test sample to rise, at the moment, the grabbing mechanical arm 12 is started, and the grabbing mechanism 33 of the grabbing mechanical arm drives the connecting rod mechanism to grab the sheet-shaped artificial graphite test sample under the action of a pushing cylinder 44;
step three, carrying out an X-ray diffraction test to obtain an artificial graphite XRD data map
The X-ray tube 1 is started, X-rays penetrate through the incident diaphragm 2 to irradiate a sample, meanwhile, the rotating table 16 is started, the rotating table drives the detector support 7 to swing, the receiving diaphragm 5 and the X-ray detector 6 which are installed on the detector support 7 swing along with the detector support 7, the X-ray detector 6 starts to move within a set angle range and receives diffraction signals penetrating through the receiving diaphragm 5, data are transmitted back to the control system, and then an artificial graphite XRD data map is obtained.
The specific implementation mode is eight: the embodiment will be described with reference to fig. 1 to 7, and the X-ray detector 6 in the embodiment is a point detector, a line detector or a plane detector.
This embodiment is only illustrative of the patent and does not limit the scope of protection thereof, and those skilled in the art can make modifications to its part without departing from the spirit of the patent.
Claims (8)
1. A graphitization degree testing device for artificial graphite is characterized in that: comprises an X-ray tube (1), an incident diaphragm (2), a ray tube bracket (3), an incident diaphragm bracket (4), a receiving diaphragm (5), an X-ray detector (6), a detector bracket (7), a first supporting column (8), a male die mechanism (9), a female die mechanism (10), a second supporting column (11), a grabbing manipulator (12), a sample table (13) and a supporting seat (14), wherein the supporting seat (14) is a cuboid supporting seat, the incident diaphragm bracket (4) is installed on the supporting seat (14) in the length direction, the X-ray tube (1) is installed on the incident diaphragm bracket (4), the ray tube bracket (3) is also installed on the incident diaphragm bracket (4), the incident diaphragm (2) is installed on the ray tube bracket (3), the X-ray tube is started, and the X-ray can pass through the incident diaphragm (2) to irradiate on a sample, the detection device is characterized in that a sliding rail (15) is installed on a supporting seat (14), a sample table (13) and the sliding rail (15) are installed in a matched mode, a rotating table (16) is installed on the sample table (13), the rotating table (16) rotates relative to the sample table (13), a female die mechanism (10) is installed on the rotating table (16), a detector support (7) is of a bending structure, the detector support (7) is installed on the side wall of the rotating table (16), the installed detector support (7) and an incident diaphragm support (4) are located in the length direction of the supporting seat (14) together, a receiving diaphragm (5) and an X-ray detector (6) are installed on the detector support (7), the X-ray detector (6) is electrically connected with the receiving diaphragm (5), the X-ray detector (6) receives diffraction signals penetrating through the receiving diaphragm (5), and a first supporting column (8) and a second supporting column (11) are installed in the width direction of the supporting seat (14), the both sides at sample platform (13) are installed in first support column (8) and second support column (11), the vertical direction of first support column (8) on install first slide rail (17), first slide (18) are installed in the cooperation on first slide rail (17), terrace die mechanism (9) install perpendicularly on first slide (18), the vertical direction of second support column (11) on install second slide rail (19), second slide rail (20) are installed in the cooperation on second slide rail (19), snatch manipulator (12) and install perpendicularly on second slide (20).
2. The graphitization degree testing apparatus for artificial graphite according to claim 1, wherein: the male die mechanism (9) comprises a male die mounting seat (21), a male die supporting block (22), a male die connecting block (23), a male die mounting arm (24) and a cylindrical male die pressing block (25), the male die mounting seat (21) is fixedly arranged on the first sliding seat (18) through a bolt, a punch supporting block (22) is arranged on the punch mounting seat (21), a punch connecting block (23) is hinged at the upper end of the punch supporting block (22), the punch supporting block (22) and the punch connecting block (23) are both wedge-shaped blocks, the wedge-shaped surface of the device is matched for use, one end of a male die mounting arm (24) is connected and mounted with a male die connecting block (23), the other end of the male die connecting block (23) is provided with a cylindrical male die pressing block (25), the cylindrical punch press block (25) comprises a punch press block body (26) and an electric heating pipe (27) arranged inside the punch press block body (26).
3. The graphitization degree testing apparatus for artificial graphite according to claim 1, wherein: die mechanism (10) include die support (28), die (29), push pedal (30) and electric putter (31), die support (28) install on rotating platform (16), die (29) install on die support (28), the up end processing of die (29) has the step form to place recess (32), push pedal (30) install in placing recess (32), the up end of push pedal (30) with place recess (32) and form a material recess and be used for graphite powder hot briquetting, the lower terminal surface of push pedal (30) is connected at the output of electric putter (31), electric putter (31) preset installation in die support (28).
4. The graphitization degree testing apparatus for artificial graphite according to claim 1, wherein: snatch manipulator (12) including snatching mechanism (33), rotor arm (34) and mount pad (35), mount pad (35) fixed mounting on second slide (20), rotor arm (34) install through bearing (36) and mount pad (35) cooperation, mount pad (35) in install servo motor (37), the output and rotor arm (34) of servo motor (37) are established and are connected, under servo motor's (37) rotation effect, rotor arm (34) relative mount pad (35) rotate, snatch mechanism (33) install the top at rotor arm (34).
5. The graphitization degree testing apparatus for artificial graphite according to claim 4, wherein: the grabbing mechanism (33) comprises a clamping seat (38), a first connecting rod (39), a second connecting rod (40), a third connecting rod (41), a fourth connecting rod (42), a grabbing supporting frame (43) and a pushing cylinder (44), wherein the grabbing supporting frame (43) is provided with two installation parts (45), the two installation parts are symmetrically arranged, the grabbing supporting frame (43) is provided with the pushing cylinder (44), an output shaft of the pushing cylinder (44) is provided with the fourth connecting rod (42), the fourth connecting rod (42) and the output shaft of the pushing cylinder (44) are in a mutually perpendicular state, two ends of the fourth connecting rod (42) are respectively hinged with the third connecting rod (41), one end of the second connecting rod (40) is hinged with the clamping seat (38), the other end of the second connecting rod (40) is hinged with the third connecting rod (41), and the middle position of the second connecting rod (40) is hinged on the installation part (45) of the grabbing supporting frame (43), first connecting rod (39) connect grip slipper (38) and installation department (45), the connected mode of first connecting rod and grip slipper (38) and installation department (45) is articulated, under the effect that promotes cylinder (44), first connecting rod (39), second connecting rod (40), third connecting rod (41) and fourth connecting rod (42) linkage and then drive grip slipper (38) and realize the centre gripping operation.
6. The graphitization degree testing apparatus for artificial graphite according to claim 1, wherein: the rotary table (16) is installed on the sample table (13) through the rotary table installation seat (46), the rotary table installation seat (46) and the rotary table (16) are installed in a matched mode through a rolling bearing, a rotary servo motor (47) is installed in the rotary table installation seat (46), and under the effect of the rotary servo motor (47), the rotary table (16) rotates relative to the rotary table installation seat (46) to move in a rotating mode.
7. A graphitization degree testing method for artificial graphite is characterized by comprising the following steps:
step one, manufacturing a flaky artificial graphite test sample
Manufacturing a sheet artificial graphite test sample by a male die mechanism (9) and a female die mechanism (10) of a graphitization degree testing device for artificial graphite; artificial graphite powder is placed in a placing groove (32) of a female die mechanism (10), a sample table (13) is driven to slide relative to a sliding rail (15), so that the female die mechanism (10) and a male die mechanism (9) correspond to each other in position, a cylindrical male die pressing block (25) of the male die mechanism (9) is started, and the artificial stone ink powder placed in the female die mechanism (10) is hot-pressed into a wafer shape by the cylindrical male die pressing block (25);
step two, grabbing the flaky artificial graphite test sample manufactured in the step one
After the flaky artificial graphite test sample is manufactured, the male die mechanism (9) is removed, a push plate (30) is arranged in a placing groove (32) of the female die mechanism (10), after an electric push rod (31) is started, the push plate pushes the flaky artificial graphite test sample to rise, at the moment, a grabbing manipulator (12) is started, and a grabbing mechanism (33) of the grabbing manipulator drives a connecting rod mechanism to grab the flaky artificial graphite test sample under the action of a pushing cylinder (44);
step three, carrying out an X-ray diffraction test to obtain an artificial graphite XRD data map
The X-ray tube (1) is started, X-rays penetrate through the incident diaphragm (2) to irradiate a sample, meanwhile, the rotating table (16) is started, the rotating table drives the detector support (7) to swing, the receiving diaphragm (5) and the X-ray detector (6) which are installed on the detector support (7) swing along with the detector support (7), the X-ray detector (6) starts to move within a set angle range and receives diffraction signals penetrating through the receiving diaphragm (5), data are transmitted back to the control system, and then an artificial graphite XRD data map is obtained.
8. The graphitization degree test method for artificial graphite according to claim 7, wherein: the X-ray detector (6) is a point detector, a line detector or a surface detector.
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