CN213652733U - Rod taking device for large-diameter infrared germanium single crystal - Google Patents
Rod taking device for large-diameter infrared germanium single crystal Download PDFInfo
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- CN213652733U CN213652733U CN202022816951.XU CN202022816951U CN213652733U CN 213652733 U CN213652733 U CN 213652733U CN 202022816951 U CN202022816951 U CN 202022816951U CN 213652733 U CN213652733 U CN 213652733U
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- taking device
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Abstract
The utility model discloses a large-diameter infrared germanium single crystal rod taking device, which comprises a supporting cylinder; the supporting cylinder is of a square cylinder structure with a bottom and no top; the top of the outer side of the supporting cylinder is provided with two opposite forklift holes, and the two forklift holes are axially parallel to each other and horizontally arranged; the lateral wall of a support section of thick bamboo is the frame structure of fretwork, is equipped with positioner on the support section of thick bamboo, and positioner includes two dead levers and two movable rods, and two dead levers are relative, and parallel arrangement is on the relative both sides face of a support section of thick bamboo, and the both ends difference swing joint of movable rod is on two dead levers, and two movable rods are parallel and relative settings. The utility model discloses getting excellent device of infrared germanium single crystal of major diameter has realized the high temperature of crystal bar and has come out of the stove, can get out of the stove with the crystal bar fast, has improved production efficiency, has reduced intensity of labour, has avoided the risk in the artifical handling.
Description
Technical Field
The utility model relates to a stick device of getting of infrared germanium single crystal of major diameter belongs to single crystal preparation field.
Background
Along with the wider application range and stronger competition of germanium in the infrared optical field, along with the improvement of a crystal pulling process, the crystal pulling process is changed from a seeding process, a necking process, a slow shouldering process and a long ending process into a short seeding process, a flat shouldering process, a tail breaking process and an annealing process in a furnace, so that the crystal growing time is greatly shortened, but a new problem is brought at the same time: because seeding is short, the tolerance of transverse shearing is very poor, the crystal bar can not be taken out along with the furnace cover rotation (because in the process of rotation and translation, transverse shearing force can be generated, and the crystal bar is very easy to break at the thin neck), the crystal bar can only be placed in the crucible, and the crystal bar is manually taken out after cooling, so that the production efficiency is reduced, and the labor intensity is improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a stick device of getting of infrared germanium single crystal of major diameter has improved production efficiency, has reduced intensity of labour, has avoided the risk among the artifical handling.
For solving the technical problem, the utility model discloses the technical scheme who adopts as follows:
a rod taking device for large-diameter infrared germanium single crystals comprises a supporting cylinder; the supporting cylinder is of a square cylinder structure with a bottom and no top; the top of the outer side of the supporting cylinder is provided with two opposite forklift holes, and the two forklift holes are axially parallel to each other and horizontally arranged; the lateral wall of a support section of thick bamboo is the frame structure of fretwork, is equipped with positioner on the support section of thick bamboo, and positioner includes two dead levers and two movable rods, and two dead levers are relative, and parallel arrangement is on the relative both sides face of a support section of thick bamboo, and the both ends difference swing joint of movable rod is on two dead levers, and two movable rods are parallel and relative settings.
The bottom and the top are not provided, namely the bottom surface and the top surface are provided, and the structure is an open structure with the bottom surface; the arrangement of the two oppositely arranged fork truck holes is convenient for the two fork trucks (the cuttings) to extend into, so that the fork trucks can be used for carrying; the side walls of the supporting cylinder are all of hollow frame structures, so that on one hand, materials are saved, the cost is reduced, and on the other hand, the operation of the positioning device and the observation are facilitated; the positioning device is arranged, so that the crystal bar is further limited when the crystal bar is used, the stability is better ensured, the position of the movable rod is adjustable, and the adaptability is good.
When the device is used for taking the crystal bar, the method comprises the following steps:
1) after the temperature of the single crystal furnace is reduced to below 200 ℃, the furnace is inflated to normal pressure, a furnace cover is lifted (does not rotate and translate), and a heavy hammer is used for upwards raising the crystal bar to the upper part of the lower edge of the furnace cover;
2) placing the rod taking device into a graphite crucible for stability;
3) descending the crystal bar to the bar taking device for stable release;
4) shearing off the seed crystal by using a pair of inclined tongs, then lifting a heavy hammer to the upper part of the lower edge of the furnace cover, and rotating the furnace cover to one side;
5) adjusting a movable rod of the positioning device to be attached to the crystal bar, and then fixing the movable rod;
6) and (4) forking the rod taking device together with the crystal rod through a forklift hole on the rod taking device by using a liquid argon forklift, and naturally cooling.
The device can help operators to take the crystal bar out of the furnace quickly, and can take the crystal bar out of the furnace at high temperature, so that the production efficiency is not influenced, and the safety of workers and the crystal bar can be protected.
In order to ensure stability, the height of the support cylinder is not higher than the height of the ingot and is not lower than 2/3. The diameter of the inscribed circle of the supporting cylinder is larger than that of the crystal bar so as to ensure that the crystal bar can be smoothly put in.
In order to better protect the crystal bar, the bottom in the supporting cylinder is provided with an elastic layer.
In order to take account of the properties of elasticity, heat resistance and the like, the elastic layer is a graphite soft felt layer.
In order to further ensure the stability of the crystal bar in the taking-out process, the positioning device has two layers, namely an upper layer positioning device and a lower layer positioning device; the two movable rods of the upper layer positioning device and the two movable rods of the lower layer positioning device form a # -shaped structure. Therefore, the crystal bar can be effectively protected in four directions.
In order to facilitate operation and manufacture of equipment, the fixed rod is provided with more than two first pin holes arranged along the length direction, the two ends of the movable rod are respectively provided with a second pin hole, and the two ends of the movable rod are movably connected to the fixed rod through pins penetrating through the first pin holes and the second pin holes.
Preferably, the cross section of the support cylinder is square.
In order to better ensure stability, the forklift hole is arranged in the middle of the side edge of the supporting cylinder. This ensures the uniformity of the force.
The two ends of the fixed rod are respectively and fixedly connected with the two sides of the frame on the side where the fixed rod is located.
The technology not mentioned in the present invention refers to the prior art.
The utility model discloses getting excellent device of infrared germanium single crystal of major diameter has realized the high temperature of crystal bar and has come out of the stove, can get out of the stove with the crystal bar fast, has improved production efficiency, has reduced intensity of labour, has avoided the risk in the artifical handling.
Drawings
FIG. 1 is a schematic structural view of a rod-taking device for large-diameter infrared germanium single crystals according to the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of the rod taking process, wherein a is the furnace lid raised and the rod taking device put in, b is the crystal rod lowered into the rod taking device, and c is the furnace lid rotated to one side to prepare for forking the rod taking device;
in the figure, 1 is a supporting cylinder, 11 is a forklift hole, 12 is a fixed rod, 13 is a movable rod, 14 is a graphite soft felt layer, 2 is a crystal bar, 21 is a seed crystal, 3 is a furnace cover, 4 is a furnace barrel, 5 is a crucible and 6 is a heavy hammer.
Detailed Description
For a better understanding of the present invention, the following examples are provided to further illustrate the present invention, but the present invention is not limited to the following examples.
The terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used herein in an orientation that is based on the orientation or positional relationship shown in the drawings or in use, and are used for convenience in describing the present application, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
Example 1
As shown in the figure 1-2, the rod taking device for the large-diameter infrared germanium single crystal comprises a supporting cylinder; the supporting cylinder is of a square cylinder structure with a bottom and no top; the top of the outer side of the supporting cylinder is provided with two opposite forklift holes, and the two forklift holes are axially parallel to each other and horizontally arranged; the lateral wall of a support section of thick bamboo is the frame structure of fretwork, is equipped with positioner on the support section of thick bamboo, and positioner includes two dead levers and two movable rods, and two dead levers are relative, and parallel arrangement is on the relative both sides face of a support section of thick bamboo, and the both ends difference swing joint of movable rod is on two dead levers, and two movable rods are parallel and relative settings.
When the device is used for taking the crystal bar, the method comprises the following steps:
1) after the temperature of the single crystal furnace is reduced to below 200 ℃, the furnace is inflated to normal pressure, a furnace cover is vertically lifted (does not rotate and translate), and a heavy hammer is used for upwards lifting the crystal bar to the upper part of the lower edge of the furnace cover;
2) placing the rod taking device into a graphite crucible for stable placement, as shown in a in figure 3;
3) lowering the crystal bar to the bar taking device for stabilizing, as shown in b in figure 3;
4) after shearing off the seed crystal by using the inclined jaw pliers, lifting a heavy hammer to the upper part of the lower edge of the furnace cover, and rotating the furnace cover to one side, as shown in c in figure 3;
5) adjusting a movable rod of the positioning device to be attached to the crystal bar, and then fixing the movable rod;
6) and naturally cooling the rod taking device together with the crystal rod by using a liquid argon fork truck through a fork truck hole on the rod taking device.
The device can help operators to take the crystal bar out of the furnace quickly, and can take the crystal bar out of the furnace at high temperature, so that the production efficiency is not influenced, and the safety of workers and the crystal bar can be protected. In order to ensure stability, the height of the support cylinder is not higher than the height of the ingot and is not lower than 2/3. The diameter of the inscribed circle of the supporting cylinder is larger than that of the crystal bar so as to ensure that the crystal bar can be smoothly put in.
Example 2
On the basis of the embodiment 1, the following improvements are further made: as shown in FIG. 1, in order to better protect the crystal bar, an elastic layer is arranged at the bottom in the supporting cylinder, and the elastic layer is a graphite soft felt layer.
Example 3
On the basis of the embodiment 2, the following improvements are further made: as shown in fig. 1-2, in order to further ensure the stability of the ingot during the taking out process, the positioning device has two layers, namely an upper layer positioning device and a lower layer positioning device; the two movable rods of the upper layer positioning device and the two movable rods of the lower layer positioning device form a # -shaped structure. Therefore, the crystal bar can be effectively protected in four directions.
Example 4
On the basis of the embodiment 3, the following improvements are further made: in order to facilitate operation and manufacture of equipment, the fixed rod is provided with more than two first pin holes arranged along the length direction, two ends of the movable rod are respectively provided with a second pin hole, and two ends of the movable rod are movably connected through pins which simultaneously penetrate through the first pin holes and the second pin holes; the cross section of the supporting cylinder is square; in order to better ensure the stability, the forklift hole is arranged in the middle of the side edge of the supporting cylinder, so that the stress uniformity can be ensured; the two ends of the fixed rod are respectively and fixedly connected with the two sides of the frame on the side where the fixed rod is located.
Above-mentioned infrared germanium single crystal of major diameter get excellent device, realized the high temperature of crystal bar and gone out of the stove, can get out of the stove with the crystal bar fast, improved production efficiency, reduced intensity of labour, avoided the risk among the artifical handling.
Claims (8)
1. A rod taking device for large-diameter infrared germanium single crystals is characterized in that: comprises a supporting cylinder; the supporting cylinder is of a square cylinder structure with a bottom and no top; the top of the outer side of the supporting cylinder is provided with two opposite forklift holes, and the two forklift holes are axially parallel to each other and horizontally arranged; the lateral wall of a support section of thick bamboo is the frame structure of fretwork, is equipped with positioner on the support section of thick bamboo, and positioner includes two dead levers and two movable rods, and two dead levers are relative, and parallel arrangement is on the relative both sides face of a support section of thick bamboo, and the both ends difference swing joint of movable rod is on two dead levers, and two movable rods are parallel and relative settings.
2. The large-diameter infrared germanium single crystal rod taking device according to claim 1, wherein: an elastic layer is arranged at the bottom in the supporting cylinder.
3. The large-diameter infrared germanium single crystal rod taking device according to claim 2, wherein: the elastic layer is a graphite soft felt layer.
4. A rod-taking device for large-diameter infrared germanium single crystals as claimed in any one of claims 1 to 3, wherein: the positioning device comprises two layers, namely an upper layer positioning device and a lower layer positioning device; the two movable rods of the upper layer positioning device and the two movable rods of the lower layer positioning device form a # -shaped structure.
5. A rod-taking device for large-diameter infrared germanium single crystals as claimed in any one of claims 1 to 3, wherein: the fixed rod is provided with more than two first pin holes arranged along the length direction, the two ends of the movable rod are respectively provided with a second pin hole, and the two ends of the movable rod are movably connected to the fixed rod through pins which penetrate through the first pin holes and the second pin holes simultaneously.
6. A rod-taking device for large-diameter infrared germanium single crystals as claimed in any one of claims 1 to 3, wherein: the cross section of the supporting cylinder is square.
7. A rod-taking device for large-diameter infrared germanium single crystals as claimed in any one of claims 1 to 3, wherein: the forklift hole is arranged in the middle of the side edge of the supporting cylinder.
8. A rod-taking device for large-diameter infrared germanium single crystals as claimed in any one of claims 1 to 3, wherein: two ends of the fixed rod are respectively connected with two sides of the frame on the side surface where the fixed rod is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022816951.XU CN213652733U (en) | 2020-11-30 | 2020-11-30 | Rod taking device for large-diameter infrared germanium single crystal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022816951.XU CN213652733U (en) | 2020-11-30 | 2020-11-30 | Rod taking device for large-diameter infrared germanium single crystal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213652733U true CN213652733U (en) | 2021-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022816951.XU Active CN213652733U (en) | 2020-11-30 | 2020-11-30 | Rod taking device for large-diameter infrared germanium single crystal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213652733U (en) |
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2020
- 2020-11-30 CN CN202022816951.XU patent/CN213652733U/en active Active
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