CN111982958A - Seed crystal melting thickness detection device - Google Patents
Seed crystal melting thickness detection device Download PDFInfo
- Publication number
- CN111982958A CN111982958A CN202010995763.XA CN202010995763A CN111982958A CN 111982958 A CN111982958 A CN 111982958A CN 202010995763 A CN202010995763 A CN 202010995763A CN 111982958 A CN111982958 A CN 111982958A
- Authority
- CN
- China
- Prior art keywords
- seed crystal
- mounting shell
- probe
- mounting
- thickness detection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000013078 crystal Substances 0.000 title claims abstract description 65
- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 238000002844 melting Methods 0.000 title claims abstract description 18
- 230000008018 melting Effects 0.000 title claims abstract description 18
- 239000000523 sample Substances 0.000 claims abstract description 87
- 238000009434 installation Methods 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 8
- 229910052594 sapphire Inorganic materials 0.000 description 4
- 239000010980 sapphire Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/02—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering
- G01N25/04—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering of melting point; of freezing point; of softening point
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B17/00—Single-crystal growth onto a seed which remains in the melt during growth, e.g. Nacken-Kyropoulos method
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/16—Oxides
- C30B29/20—Aluminium oxides
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
- G01B21/085—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness using thermal means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
Landscapes
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
The application relates to a seed crystal melting thickness detection device, which comprises a mobile unit and a user control unit, wherein the mobile unit comprises a vertically arranged installation shell, a lead screw which is positioned in the installation shell and is rotationally connected with the installation shell, a servo motor connected with the top end of the lead screw, and a movable block which is positioned in the installation shell and is sleeved on the lead screw in a threaded manner, one vertical side wall of the installation shell is provided with an opening, the lead screw is vertically arranged, the movable block is attached to the inner side wall of the installation shell and extends out of the opening of the installation shell, a movable ring is connected onto the movable block, the installation shell passes through the movable ring, a support frame is connected onto one vertical outer side wall of the movable ring, the upper surface of the support frame is provided with a; and a connecting assembly is arranged on one vertical outer side wall of the mounting shell, the connecting assembly is positioned above the force measuring platform, and the connecting assembly is used for realizing the connection of the mounting shell and the probe device. The method and the device have the effects of saving manpower consumed in the measuring process and improving the measuring precision.
Description
Technical Field
The application relates to the field of sapphire manufacturing, in particular to a seed crystal melting thickness detection device.
Background
The sapphire has the characteristics of high sound velocity, high temperature resistance, corrosion resistance, high hardness, high light transmittance and the like, and is widely applied to the fields of medical treatment, environmental protection, chemical industry, high vacuum test, LEDs and the like. When sapphire is produced, sapphire seed crystals need to be placed in a crucible of a crystal growth furnace, then the seed crystals are heated to be continuously melted, and after the seed crystals are melted to a certain degree, the temperature is controlled to be reduced, the temperature gradient of a solid-liquid phase is adjusted, so that the seed crystals are continuously grown, and the required substances are obtained.
Because the melting degree of the seed crystal can have an important influence on the growth of the seed crystal, in the process of heating and melting the seed crystal, a worker needs to detect the melting degree of the seed crystal in the crucible for many times. Currently, the melting degree of the seed crystal is detected by detecting the thickness of the seed crystal through manual operation of a probe device.
A conventional probe device is shown in figure 1 and comprises a mounting frame 1, wherein the mounting frame 1 comprises two mounting plates 2 which are parallel to each other and four connecting rods 3 connected between the two mounting plates 2, the two mounting plates 2 are penetrated by a same mounting tube 4, the mounting tube 4 is a glass tube, the outer wall of the mounting tube 4 is provided with scale marks 5, the mounting tube 4 penetrates through the mounting plate 2 positioned above and is sealed, the bottom end of the mounting tube 4 is flush with and opens at the bottom surface of the mounting plate 2 positioned below, the mounting tube 4 and the four connecting rods 3 are sleeved with a movable plate 6 in a sliding mode together, the upper surface of the movable plate 6 is connected with a connecting ring 7, the mounting tube 4 penetrates through the connecting ring 7, the connecting ring 7 is made of a magnet material, a probe 19 is arranged in the mounting tube 4, the probe 19 is a tungsten rod, the top end of the probe 19 is connected with a magnet rod, the, therefore, when the moving plate 6 moves the connection ring 7 in the vertical direction, the probe 19 moves vertically along with the connection ring 7. When the device is used, a worker places the mounting frame 1 above a crucible of a crystal growth furnace, then slides the moving plate 6 downwards to enable the probe 19 to be inserted into the crucible and to be in contact with the inner bottom surface of the crucible, and records the depth of the crucible as a numerical value one through the scale marks 5; then, putting the seed crystal into a crucible, adjusting the probe 19 to enable the bottom end of the probe 19 to be in contact with the surface of the seed crystal before the seed crystal is not heated, and recording the length of the probe 19 extending into the crucible at the moment as a numerical value two; then, heating the seed crystal, inserting the probe 19 into the crucible in the heating process, enabling the bottom end of the probe 19 to be in contact with the seed crystal which is melted, and recording the length of the probe 19 extending into the crucible as a value three, wherein the value three can be measured for multiple times; and finally, by comparing the values of the first value, the second value and the third value, the melting degree of the seed crystal and whether the seed crystal is completely melted can be judged.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: in the use, the staff needs the position of manual removal movable plate to adjust the probe position in vertical direction, and then accomplish the test, consequently the testing process need consume the manpower, and manual operation causes great measuring error easily.
Disclosure of Invention
In order to practice thrift the manpower that consumes in the measurement process and improve measurement accuracy, this application provides a seed crystal melts thickness detection device.
The application provides a seed crystal melts thickness detection device adopts following technical scheme:
a seed crystal melting thickness detection device comprises a moving unit and a user control unit, wherein the moving unit is used for movably adjusting the position of a probe, and the user control unit is used for a user to adjust the operation of the moving unit; the movable unit comprises a vertically arranged mounting shell, a lead screw, a servo motor and a movable block, wherein the lead screw is positioned in the mounting shell and is rotationally connected with the mounting shell, the servo motor is connected with the top end of the lead screw, the movable block is positioned in the mounting shell and is sleeved on the lead screw in a threaded manner, one vertical side wall of the mounting shell is provided with an opening, the lead screw is vertically arranged, the movable block is attached to the inner side wall of the mounting shell and extends out of the opening of the mounting shell, the movable block is connected with a movable ring, the mounting shell penetrates through the movable ring, one vertical outer side wall of the movable ring is connected with a support frame, the upper surface of the support frame is provided with a force; the probe device is characterized in that a connecting assembly is arranged on one vertical outer side wall of the mounting shell and is located above the force measuring platform, and the connecting assembly is used for connecting the mounting shell with the probe device.
By adopting the technical scheme, when in use, a worker places the moving unit above the crucible of the crystal growth furnace, then connects the mounting plate of the probe device with the connecting assembly, and simultaneously places the moving plate of the probe device on the force measuring table, the worker starts the servo motor through the user control unit, the servo motor drives the screw rod to rotate, so that the support frame and the force measuring table can vertically move downwards, the probe can synchronously and vertically move downwards, the probe can extend into the crucible and finally contacts with the inner bottom surface of the crucible, the inner bottom surface of the crucible can support the probe to reduce the detection value detected by the force measuring table, so that the servo motor reversely rotates to enable the probe to ascend, in the process, the position where the bottom end of the probe is flush with the top end of the crucible is taken as the initial position, the position where the detection value of the force measuring table is reduced is taken as the final position, and the servo motor can measure the distance between the initial, the distance is the distance that the probe moves in the crucible; then adjusting the probe to an initial position, putting the seed crystal into the crucible, not heating the seed crystal, and measuring the distance from the initial position to the top surface of the seed crystal; finally, adjusting the probe to an initial position, heating the seed crystal to melt the seed crystal, measuring the distance from the initial position to the upper surface of the seed crystal which is melted, and comparing the numerical values measured in the three times to judge the melting state of the seed crystal; whole measurement process has not only reduced manual operation, and it is more accurate than manual measurement to measure the probe displacement through servo motor moreover, therefore this application has the manpower that can save in the measurement process and consume, the high effect of measurement accuracy.
Optionally, the user control unit comprises a PLC control box and a touch screen arranged on the PLC control box, and the PLC control box is electrically connected with the servo motor and the force measuring platform.
Through adopting above-mentioned technical scheme, realized the cooperation work between dynamometry platform and the servo motor, staff's accessible touch-sensitive screen adjusts opening of servo motor simultaneously, convenient operation.
Optionally, coupling assembling is including connecting link on the installation shell, setting two connecting seats at the link lower surface, the connecting seat includes vertical board and the horizontal plate of being connected with vertical board, vertical board constitutes "L" type with the horizontal plate, two the horizontal plate of connecting seat sets up relatively, two the interval of vertical board equals the length or the width of probe device's mounting panel.
Through adopting above-mentioned technical scheme, when the staff was connected probe device and coupling assembling, only need with the mounting panel that probe device is located the top put into between two horizontal plates and the link can, convenient operation.
Optionally, the length of the vertical plate in the vertical direction is greater than the shortest distance from the bottom surface of the mounting plate above the probe device to the top end of the mounting tube.
Through adopting above-mentioned technical scheme, the staff can insert the mounting panel that the probe device is located the top between horizontal plate and the link, can realize being connected of probe device and connecting seat, above-mentioned in-process installation pipe can not contact with the lower surface of link to made things convenient for being connected of probe device and coupling assembling.
Optionally, the moving ring is detachably connected with the moving block through a bolt.
Through adopting above-mentioned technical scheme, conveniently be connected and dismantle shift ring and movable block.
Optionally, a space is left between the moving ring and the vertical outer side wall of the mounting shell.
Through adopting above-mentioned technical scheme, when having avoided the vertical removal of shifting ring with the installation shell contact friction, can avoid the wearing and tearing of installation shell and shifting ring, can make things convenient for the removal of shifting ring again.
Optionally, the support frame is detachably connected with the moving ring through a bolt.
Through adopting above-mentioned technical scheme, conveniently be connected and dismantle support frame and shift ring.
Optionally, the upper surface of the horizontal plate is frosted.
Through adopting above-mentioned technical scheme, increased the frictional force between the mounting panel of horizontal plate and probe device, made the mounting panel be difficult to take place to remove on the horizontal plate, improved probe device's stability.
In summary, the present application includes at least one of the following beneficial technical effects:
1. according to the detection device, the mobile unit, the user control unit and the connecting assembly are arranged, the connecting assembly can connect the mounting shell with the probe device, the mobile unit can drive the probe of the probe device to move in the vertical direction and measure the moving distance of the probe in the crucible, and the user control unit can facilitate a user to control the start and stop of the detection process;
2. this application is through setting up PLC control box and touch-sensitive screen, and the cooperation of being connected of servo motor and dynamometry platform can be realized to the PLC control box, and the touch-sensitive screen can make things convenient for the staff to control opening of testing process and stop.
Drawings
Fig. 1 is a schematic view for showing the overall structure of a probe apparatus in the background art.
Fig. 2 is a schematic view of an overall structure of a seed crystal melt thickness detection apparatus for embodying an embodiment.
Fig. 3 is a schematic diagram for embodying the structure of the force-measuring table in the embodiment.
FIG. 4 is a schematic structural diagram of a seed crystal melt thickness detection apparatus used in an embodiment of the present invention in a state of being connected to a probe apparatus.
FIG. 5 is a schematic diagram showing a state of a seed crystal melting thickness detecting apparatus according to an embodiment when the apparatus is used in conjunction with a probe apparatus for detection.
Description of reference numerals: 1. a mounting frame; 2. mounting a plate; 3. a connecting rod; 4. installing a pipe; 5. scale marking; 6. moving the plate; 7. a connecting ring; 8. mounting a shell; 9. a screw rod; 10. a servo motor; 11. a moving block; 12. a moving ring; 13. a support frame; 14. a force measuring table; 15. a PLC control box; 16. a touch screen; 17. a connecting frame; 18. a connecting seat; 181. a horizontal plate; 182. a vertical plate; 19. and (3) a probe.
Detailed Description
The present application is described in further detail below with reference to figures 2-5.
The embodiment of the application discloses a seed crystal melting thickness detection device. Referring to fig. 2, the seed crystal melting thickness detecting apparatus includes a moving unit and a user control unit. The mobile unit is used for adjusting the position of the probe 19 in the probe device in the vertical direction, and the user control unit is used for facilitating the adjustment of the operation of the mobile unit by workers.
Referring to fig. 2 and 3, the moving unit includes a mounting case 8, a lead screw 9, a servo motor 10, and a moving block 11. The mounting shell 8 is vertically arranged, and an opening is formed in one vertical side wall; the screw rod 9 is vertically arranged in the mounting shell 8 and is rotationally connected with the top wall and the bottom wall of the mounting shell 8; an output shaft of the servo motor 10 is connected with the top end of the screw rod 9; the moving block 11 is sleeved on the lead screw 9 in a threaded mode, the side wall of the moving block 11 is attached to the inner side wall of the mounting shell 8, and the moving block 11 extends out of the opening of the mounting shell 8. When the servo motor 10 rotates, the screw rod 9 rotates, and the moving block 11 can move in the vertical direction.
Referring to fig. 2 and 3, a moving ring 12 is connected to the moving block 11, and the moving ring 12 is detachably connected to the moving block 11 through two bolts, so that the moving ring 12 can be conveniently connected to the moving block 11 or the moving ring 12 can be conveniently detached from the moving block 11. The installation shell 8 passes from the shift ring 12, and shift ring 12 deviates from and is connected with support frame 13 on the vertical lateral wall of the open-ended of installation shell 8, and support frame 13 is "L" form, and for the convenience of being connected and dismantling of support frame 13 and shift ring 12, support frame 13 can dismantle with shift ring 12 through two bolts and be connected. The upper surface of support frame 13 is equipped with dynamometry platform 14, is equipped with pressure sensor in the dynamometry platform 14 for measure the pressure that dynamometry platform 14 surface bore.
Referring to fig. 2 and 3, when the servo motor 10 rotates, the moving block 11 drives the moving ring 12, the supporting frame 13 and the force measuring table 14 to move synchronously in the vertical direction. In order to reduce the frictional resistance from the mounting shell 8 when the moving ring 12 moves, a gap is left between the moving ring 12 and the vertical outer side wall of the mounting shell 8, so that the burden of a driving motor can be reduced, and the moving block 11, the moving ring 12, the support frame 13 and the force measuring table 14 can move more conveniently.
Referring to fig. 2 and 3, a top end of the mounting case 8 facing away from the open vertical sidewall is provided with a connection assembly for connecting the mounting case 8 with the probe device. The connecting assembly is positioned above the force measuring platform 14 and comprises a connecting frame 17 and two connecting seats 18, the connecting frame 17 is L-shaped, and the connecting frame 17 is detachably connected with the mounting shell 8 through bolts; connecting seat 18 is disposed on the lower surface of connecting frame 17, connecting seat 18 includes vertical plate 182 and horizontal plate 181 of horizontal setting of vertical setting, and vertical plate 182 constitutes "L" type with horizontal plate 181, and the horizontal plate 181 of two connecting seats 18 sets up relatively, and the interval of two vertical plates 182 equals the length or the width of mounting panel 2 of probe device. In addition, the length of the vertical plate 182 in the vertical direction is greater than the shortest distance from the bottom surface of the mounting plate 2 above the probe device to the top end of the mounting tube 4.
Referring to fig. 4, when in use, a worker horizontally inserts the mounting plate 2 above the probe device between the horizontal plate 181 and the connecting seat 18, and the lower surface of the connecting frame 17 does not contact the mounting tube 4 in the above process, so that the mounting plate 2 can smoothly move between the horizontal plate 181 and the connecting frame 17, and the lower surface of the mounting plate 2 can be attached to the upper surface of the horizontal plate 181, so that the horizontal plate 181 can support the mounting plate 2, thereby stabilizing the position of the probe device.
Referring to fig. 4, in order to further improve the stability of the probe device, the upper surface of the horizontal plate 181 is frosted, and the frosted surface increases the roughness of the upper surface of the horizontal plate 181, so that the mounting plate 2 is not easy to slide on the horizontal plate 181, the position of the probe device is not easy to move, and the stable operation of the detection process is facilitated.
Referring to fig. 3, the user control unit includes a PLC control box 15 and a touch screen 16, and the PLC control box 15 is electrically connected to the servo motor 10 and the force measuring table 14, and is configured to control the servo motor 10 and implement the cooperation between the force measuring table 14 and the servo motor 10. The touch screen 16 is arranged on the PLC control box 15, and a worker can regulate and control the servo motor 10 through the touch screen 16, so that the detection process is controlled.
Referring to fig. 4 and 5, before use, a worker stably places the mounting shell 8 above a crucible of a crystal growth furnace without seed crystals, places the mounting plate 2 above the probe device on the horizontal plate 181, and places the moving plate 6 of the probe device on the force measuring table 14, wherein the force measuring table 14 supports the moving plate 6, and the force measuring table 14 detects a certain pressure value; when the crucible pressure measuring device is used, a worker starts the servo motor 10 through the touch screen 16, the servo motor 10 drives the screw rod 9 to rotate, the force measuring platform 14 drives the moving plate 6 and the probe 19 to move vertically downwards, the probe 19 extends into the crucible, when the bottom end of the probe 19 is in contact with the inner bottom surface of the crucible, due to the supporting effect of the inner bottom surface of the crucible on the probe 19, the pressure value detected by the force measuring platform 14 is reduced, the pressure sensor obtains signals and feeds back information, the servo motor 10 rotates reversely, the probe 19 moves vertically upwards along with the force measuring platform 14, in the process, the position, at which the bottom end of the probe 19 is just positioned at the top end of the crucible, is used as an initial position, the position, at which the bottom end of the probe 19 is positioned at the final position when the pressure value of the force measuring platform 14 is reduced, the distance between the initial position and the final position can be measured through the servo motor, also the depth of the crucible; then, a worker puts the seed crystal into the crucible without heating the seed crystal, adjusts the probe 19 to an initial position, and then extends the probe 19 into the crucible, when the bottom end of the probe 19 is in contact with the upper surface of the seed crystal, the pressure value detected by the force measuring table 14 is reduced, at the moment, the probe 19 moves upwards, and meanwhile, the servo motor 10 records the moving distance of the probe 19 in the crucible in the process, and the moving distance is recorded as a numerical value two; then the probe 19 moves to the initial position again, the crystal growth furnace is started and the seed crystal is heated, after the seed crystal is heated for a period of time, the probe 19 is adjusted again to enable the probe 19 to extend into the crucible, and the moving distance of the probe 19 when the pressure value of the force measuring table 14 is reduced is recorded and recorded as a numerical value three; finally, the worker can judge the melting degree and the melting thickness of the seed crystal by comparing the first numerical value, the second numerical value and the third numerical value.
The implementation principle of the seed crystal melting thickness detection device in the embodiment of the application is as follows: when the device is used, a worker stably places the mounting shell 8 above a crucible of a crystal growth furnace, then connects the mounting plate 2 of the probe device with the connecting assembly, places the moving plate 6 of the probe device on the force measuring table 14, the worker starts the servo motor 10 through the user control unit to enable the probe 19 to vertically move downwards to extend into the crucible, when the bottom end of the probe 19 is contacted with the inner bottom surface of the crucible, the pressure value measured by the force measuring table 14 is reduced, the servo motor 10 is reversely rotated by the pressure sensor to enable the probe 19 to ascend, in the process, the position where the bottom end of the probe 19 is flush with the top end of the crucible is used as an initial position, the position of the probe 19 when the detection value of the force measuring table 14 is reduced is used as a final position, the servo motor 10 can measure the distance between the initial position and the final position, which is marked as a numerical value one, and the numerical value one is the, also the depth of the crucible; then adjusting the probe 19 to an initial position, putting the seed crystal into the crucible, not heating the seed crystal, measuring the distance from the initial position to the top surface of the seed crystal, and recording as a numerical value two; finally, adjusting the probe 19 to an initial position, heating the seed crystal to melt the seed crystal, measuring the distance from the initial position to the upper surface of the seed crystal which is melted, recording the distance as a numerical value three, and comparing the numerical value one, the numerical value two and the numerical value three to judge whether the seed crystal is melted completely or not; because whole measurement process has not only reduced manual operation, and it is more accurate than manual measurement to measure 19 displacement through servo motor 10 moreover, therefore this application has the manpower that can save consumption in the measurement process, the high effect of measurement accuracy.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A seed crystal melting thickness detection device is characterized in that: comprises a mobile unit and a user control unit, wherein the mobile unit is used for carrying out mobile adjustment on the position of the probe (19), and the user control unit is used for a user to adjust the operation of the mobile unit; the moving unit comprises a vertically arranged mounting shell (8), a screw rod (9) which is positioned in the mounting shell (8) and is rotationally connected with the mounting shell (8), a servo motor (10) which is connected with the top end of the screw rod (9), and a moving block (11) which is positioned in the mounting shell (8) and is sleeved on the screw rod (9) in a threaded manner, an opening is arranged on one vertical side wall of the mounting shell (8), the screw rod (9) is vertically arranged, the moving block (11) is attached to the inner side wall of the mounting shell (8) and extends out of the opening of the mounting shell (8), the moving block (11) is connected with a moving ring (12), the mounting shell (8) penetrates through the moving ring (12), a support frame (13) is connected on one vertical outer side wall of the moving ring (12), the upper surface of the support frame (13) is provided with a force measuring platform (14), and a pressure sensor is arranged in the force measuring platform (14); the probe device is characterized in that a connecting assembly is arranged on one vertical outer side wall of the mounting shell (8), the connecting assembly is located above the force measuring platform (14), and the connecting assembly is used for connecting the mounting shell (8) and the probe device.
2. A seed crystal melt thickness detection apparatus as defined in claim 1, wherein: the user control unit comprises a PLC control box (15) and a touch screen (16) arranged on the PLC control box (15), and the PLC control box (15) is electrically connected with the servo motor (10) and the force measuring table (14).
3. A seed crystal melt thickness detection apparatus as defined in claim 1, wherein: coupling assembling is including connecting link (17), two connecting seats (18) of setting at link (17) lower surface on installation shell (8), connecting seat (18) are including vertical board (182) and horizontal plate (181) be connected with vertical board (182), vertical board (182) constitute "L" type with horizontal plate (181), two horizontal plate (181) of connecting seat (18) set up relatively, two the interval of vertical board (182) equals the length or the width of mounting panel (2) of probe device.
4. A seed crystal melt thickness detection apparatus as defined in claim 3, wherein: the length of the vertical plate (182) in the vertical direction is greater than the shortest distance from the bottom surface of the mounting plate (2) above the probe device to the top end of the mounting pipe (4).
5. A seed crystal melt thickness detection apparatus as defined in claim 1, wherein: the moving ring (12) is detachably connected with the moving block (11) through bolts.
6. A seed crystal melt thickness detection apparatus as defined in claim 1, wherein: a space is reserved between the moving ring (12) and the vertical outer side wall of the mounting shell (8).
7. A seed crystal melt thickness detection apparatus as defined in claim 1, wherein: the support frame (13) is detachably connected with the moving ring (12) through bolts.
8. A seed crystal melt thickness detection apparatus as defined in claim 3, wherein: the upper surface of the horizontal plate (181) is subjected to sanding treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010995763.XA CN111982958B (en) | 2020-09-21 | 2020-09-21 | Seed crystal melting thickness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010995763.XA CN111982958B (en) | 2020-09-21 | 2020-09-21 | Seed crystal melting thickness detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111982958A true CN111982958A (en) | 2020-11-24 |
| CN111982958B CN111982958B (en) | 2024-10-18 |
Family
ID=73450677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010995763.XA Active CN111982958B (en) | 2020-09-21 | 2020-09-21 | Seed crystal melting thickness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111982958B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113945602A (en) * | 2021-10-22 | 2022-01-18 | 攀钢集团攀枝花钢铁研究院有限公司 | An experimental device and method for rapid sample loading of metallurgical financial droplets |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2357022C1 (en) * | 2007-11-07 | 2009-05-27 | Общество с ограниченной ответственностью "Центр теплофизических исследований "ТЕРМО" | Facility for growing of single crystals by method of axial heat current nearby solid-melt intrface (solid-melt heater) with overpressure of gas in growing vessel |
| US20130152850A1 (en) * | 2011-12-16 | 2013-06-20 | Chia-Ying Hsieh | Method and apparatus for monitoring and controlling crystal growth, and probe system |
| WO2013141472A1 (en) * | 2012-03-20 | 2013-09-26 | (주)세미머티리얼즈 | Silicon ingot growing apparatus provided with probing rod |
| CN103409796A (en) * | 2013-08-01 | 2013-11-27 | 安徽大晟新能源设备科技有限公司 | Testing device for seed crystal melting thickness of pseudo-single crystal silicon ingot furnace |
| CN103726105A (en) * | 2013-10-11 | 2014-04-16 | 中国科学院上海光学精密机械研究所 | Growing apparatus and method for Ti sapphire crystal |
| RU2015154711A (en) * | 2015-12-21 | 2017-06-26 | Общество с ограниченной ответственностью "КристалсНорд" | The method of growing single crystals Cd1-xZnxTe, where 0≤x≤1, the seed at high pressure inert gas |
| CN210523151U (en) * | 2019-08-20 | 2020-05-15 | 广东科能工程管理有限公司 | Building wall paper clearing device of convenient equipment |
| CN212228783U (en) * | 2020-09-21 | 2020-12-25 | 无锡市竞杰物联网科技有限公司 | Seed crystal melting thickness detection device |
-
2020
- 2020-09-21 CN CN202010995763.XA patent/CN111982958B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2357022C1 (en) * | 2007-11-07 | 2009-05-27 | Общество с ограниченной ответственностью "Центр теплофизических исследований "ТЕРМО" | Facility for growing of single crystals by method of axial heat current nearby solid-melt intrface (solid-melt heater) with overpressure of gas in growing vessel |
| US20130152850A1 (en) * | 2011-12-16 | 2013-06-20 | Chia-Ying Hsieh | Method and apparatus for monitoring and controlling crystal growth, and probe system |
| WO2013141472A1 (en) * | 2012-03-20 | 2013-09-26 | (주)세미머티리얼즈 | Silicon ingot growing apparatus provided with probing rod |
| CN103409796A (en) * | 2013-08-01 | 2013-11-27 | 安徽大晟新能源设备科技有限公司 | Testing device for seed crystal melting thickness of pseudo-single crystal silicon ingot furnace |
| CN103726105A (en) * | 2013-10-11 | 2014-04-16 | 中国科学院上海光学精密机械研究所 | Growing apparatus and method for Ti sapphire crystal |
| RU2015154711A (en) * | 2015-12-21 | 2017-06-26 | Общество с ограниченной ответственностью "КристалсНорд" | The method of growing single crystals Cd1-xZnxTe, where 0≤x≤1, the seed at high pressure inert gas |
| CN210523151U (en) * | 2019-08-20 | 2020-05-15 | 广东科能工程管理有限公司 | Building wall paper clearing device of convenient equipment |
| CN212228783U (en) * | 2020-09-21 | 2020-12-25 | 无锡市竞杰物联网科技有限公司 | Seed crystal melting thickness detection device |
Non-Patent Citations (2)
| Title |
|---|
| BEEKMANS LGM 等: "Crystal melting and its kinetics on poly(ethylene oxide) by in situ atomic force microscopy", POLYMER, vol. 43, no. 06, 1 March 2002 (2002-03-01), pages 1887 - 1895, XP004332287, DOI: 10.1016/S0032-3861(01)00748-0 * |
| 房超 等: "高温高压下氮氢协同掺杂对{100}晶面生长宝石级金刚石的影响", 物理学报, vol. 64, no. 22, 30 November 2015 (2015-11-30), pages 412 - 417 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113945602A (en) * | 2021-10-22 | 2022-01-18 | 攀钢集团攀枝花钢铁研究院有限公司 | An experimental device and method for rapid sample loading of metallurgical financial droplets |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111982958B (en) | 2024-10-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202974479U (en) | Temperature measuring device | |
| CN102879052A (en) | Automatic-feed detection device for melt crystal solid and liquid interface position and detection method thereof | |
| CN212228783U (en) | Seed crystal melting thickness detection device | |
| KR101216522B1 (en) | Silicon ingot grower including probe | |
| CN113029062B (en) | Automatic calibration device of pull rope type displacement meter and method for using same | |
| CN211042139U (en) | A comprehensive detection device for pulley runout detection and bearing hole detection | |
| CN118466150A (en) | Thermal response time measuring device | |
| CN111982958B (en) | Seed crystal melting thickness detection device | |
| JPH10185545A (en) | Quartz crucible shape measuring device | |
| CN206467327U (en) | Polycrystalline silicon ingot or purifying furnace solid liquid interface measuring mechanism | |
| CN202793517U (en) | Self-fed type device for detecting molten crystal solid-liquid interface location | |
| CN216482336U (en) | Furnace temperature detector position adjustment device | |
| CN203382851U (en) | Testing device for melting thickness of seed crystals of pseudo-single crystal ingot furnace | |
| CN110952134B (en) | A horizontal alignment calibration fixture, crystal pulling furnace and horizontal alignment calibration method | |
| CN117604617A (en) | A single crystal furnace crucible axis calibration device, method and equipment | |
| CN114136111A (en) | Furnace temperature detector position adjustment device | |
| CN204330524U (en) | A kind of capillary rheometer | |
| CN105780111B (en) | Polycrystalline silicon ingot casting furnace superintendent crystalline substance speed self-operated measuring unit | |
| CN209945280U (en) | Concentricity detects instrument | |
| CN106687625A (en) | Single crystal production method | |
| KR20110059944A (en) | Ingot Weighing Device of Ingot Growth Device | |
| CN220083974U (en) | Automatic detection equipment for shaft length of miniature motor | |
| CN222231497U (en) | Crucible size detection device for Czochralski method | |
| CN223369124U (en) | Online detection device for grinding removal amount of precise grinding machine | |
| CN217688529U (en) | Clay swelling measuring equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |