Mould for gallium oxide crystal growth

Abstract

The utility model relates to the technical field of crystal growth, and discloses a mold for gallium oxide crystal growth. Comprising a base and further comprises a crucible fixed to the top of the base and used for growing gallium crystals, a driving mechanism for adjusting the cooling angle of the gallium crystals is arranged in the base, a rotating rod is arranged on one side of the driving mechanism, a supporting disc is fixedly connected to the top of the rotating rod, and a mold base is arranged on the top of the supporting disc; according to the utility model, the fused gallium crystal is cooled through the refrigerator and the cooling fan, the crystal is gradually enlarged to a specified size through cooling, and the gallium crystal in the mold seat can rotate through the driving mechanism, so that the gallium crystal is cooled more uniformly, and the stability of cooling growth of the gallium crystal is improved; the protection plate is driven to reset under the action of the damper and the buffer mechanism, the impact force borne by the crucible is reduced, and the problem that the gallium crystal shakes to generate cracks due to the fact that the crucible is collided is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of crystal growth, in particular to a mold used for growing gallium oxide crystals. Background Art

[0002] Gallium oxide crystal is a semiconductor material with high hardness, high melting point and good electrical insulation properties. Gallium oxide has good optical and thermal conductivity properties, so it has important application value in the fields of high-power devices and high-temperature electronics.

[0003] Gallium oxide usually needs to be prepared into a thin film or nanoparticle form through methods such as melting, so a gallium crystal growth mold is required. During the use of the existing mold, the gallium oxide material is usually placed in a crucible, the gallium oxide raw material is heated and then melted with the gallium crystal, and then the temperature is reduced to allow the crystal to gradually grow to a specified size. However, the existing technology can only cool down part of the crystal through a cooling fan when cooling the crystal, and the crystal cannot be cooled evenly, resulting in the inability of the crystal to grow stably. In addition, the protection function of the crucible is poor. When the crucible is hit, it will cause the gallium crystal to shake and crack, affecting the production quality of the gallium crystal.

[0004] Therefore, it is necessary to provide a new mold for growing gallium oxide crystals to solve the above technical problems. Utility Model Content

[0005] The utility model aims to provide a mold for growing gallium oxide crystals to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a mold for growing gallium oxide crystals, comprising a base, and also comprising:

[0007] A crucible fixed to the top of the base for growing gallium crystals, wherein a driving mechanism for adjusting the cooling angle of the gallium crystals is arranged inside the base, a rotating rod is arranged on one side of the driving mechanism, a supporting plate is fixedly connected to the top of the rotating rod, and a mold seat is arranged on the top of the supporting plate;

[0008] A fixing frame is fixed to the outside of the crucible, a buffer mechanism is arranged on one side of the fixing frame, a damper is fixedly connected to one side of the fixing frame, one end of the damper is fixedly connected to a protective plate for protecting the crucible, a clamping mechanism is arranged on the top of the supporting plate, and a clamping plate for clamping the mold seat is arranged on one side of the clamping mechanism.

[0009] Preferably, the driving mechanism comprises an electric cylinder mounted on the inner wall of the base, the piston rod of the electric cylinder is fixedly connected to a toothed plate, the bottom of the toothed plate is slidably connected to a limited position seat, and the outer side of the toothed plate is meshingly connected to a gear.

[0010] Preferably, a fixing sleeve is fixedly connected to the outer side of the rotating rod, a limiting block is fixedly connected to the outer side of the fixing sleeve, and a limiting frame for limiting the limiting block is fixedly connected to the inner wall of the base.

[0011] Preferably, the buffer mechanism comprises a support rod fixed to one side of the fixing frame, an inner wall of the support rod is slidably connected with a sliding rod, and a first spring is arranged on the outer side of the support rod.

[0012] Preferably, the clamping mechanism comprises two groups of connecting plates fixed to the top of the supporting plate, the inner walls of the connecting plates are slidably connected with guide rods, and the outer sides of the guide rods are provided with second springs.

[0013] Preferably, a cooling box is fixedly connected to the inner wall of the crucible, and a cooling fan and a refrigerator are respectively arranged inside the cooling box.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] The utility model cools the gallium crystal after welding by means of a refrigerator and a cooling fan, and the crystal is gradually enlarged to a specified size by cooling. The gallium crystal inside the mold seat can be rotated by arranging a driving mechanism, so that the gallium crystal is cooled more evenly, and the stability of the gallium crystal cooling growth is improved. The protective plate is reset by means of the damper and the buffer mechanism, and the impact force on the crucible is reduced, so as to avoid the problem that the gallium crystal shakes and cracks due to the collision of the crucible. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic structural diagram of a preferred embodiment of a mold for growing gallium oxide crystals provided by the utility model;

[0017] Figure 2 It is a schematic diagram of the structure inside the base of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the crucible in the utility model;

[0019] Figure 4 It is a structural schematic diagram of the clamping mechanism in the utility model.

[0020] In the figure: 1. base; 2. crucible; 3. driving mechanism; 31. electric cylinder; 32. tooth plate; 33. limit seat; 34. gear; 4. rotating rod; 5. support plate; 6. mold seat; 7. fixed frame; 8. buffer mechanism; 81. support rod; 82. slide rod; 83. first spring; 9. clamping mechanism; 91. connecting plate; 92. guide rod; 93. second spring; 10. clamping plate; 11. damper; 12. protective plate; 13. fixing sleeve; 14. limit block; 15. limit frame; 16. cooling box; 17. cooling fan; 18. refrigerator. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 As shown, a mold for growing gallium oxide crystals comprises a base 1, a crucible 2 is fixed on the top of the base 1, a driving mechanism 3 for adjusting the cooling angle of the gallium crystal is arranged inside the base 1, a rotating rod 4 is arranged on one side of the driving mechanism 3, the bottom of the rotating rod 4 is rotatably connected to the bottom of the inner cavity of the base 1, a supporting plate 5 is fixedly connected to the top of the rotating rod 4, the rotating rod 4 and the supporting plate 5 can be driven to rotate by the driving mechanism 3, a mold seat 6 is arranged on the top of the supporting plate 5, the mold seat 6 is clamped on the top of the supporting plate 5, the rotation of the supporting plate 5 drives the mold seat 6 to rotate, so that the gallium crystal inside the mold seat 6 rotates, the gallium crystal can be evenly cooled and the growth stability of the gallium crystal is improved, a fixing frame 7 fixed on the outside of the crucible 2, a fixing frame 7 fixed on the outside of the crucible 2, a fixing frame 7 fixed on the outside of the crucible 2, a fixing frame 7 fixed on the inside ... A buffer mechanism 8 is provided on one side of the fixed frame 7, and a damper 11 is fixedly connected to one side of the fixed frame 7. One end of the damper 11 is fixedly connected to a protective plate 12 for protecting the crucible 2. When the crucible 2 is collided, the protective plate 12 will be driven to move. The protective plate 12 is driven to reset by the action of the damper 11 and the buffer mechanism 8, thereby reducing the impact force on the crucible 2 and avoiding the problem of gallium crystal shaking and cracking caused by the collision of the crucible 2. A clamping mechanism 9 is provided on the top of the support plate 5, and a clamping plate 10 for clamping the mold seat 6 is provided on one side of the clamping mechanism 9. The mold seat 6 can be clamped and limited by the clamping mechanism 9 and the clamping plate 10, thereby improving the stability of the mold seat 6, and mold seats 6 of different sizes can be clamped and installed.

[0023] refer to Figure 1 and Figure 2As shown, the driving mechanism 3 includes an electric cylinder 31 installed on the inner wall of the base 1, the piston rod of the electric cylinder 31 is fixedly connected with a tooth plate 32, the bottom of the tooth plate 32 is slidably connected with a limiting seat 33, the bottom of the tooth plate 32 is slidably connected with the inner wall of the limiting seat 33, the outer side of the tooth plate 32 is meshingly connected with a gear 34, the axis of the gear 34 is fixedly connected with the outer side of the rotating rod 4, the outer side of the rotating rod 4 is fixedly connected with a fixing sleeve 13, the outer side of the fixing sleeve 13 is fixedly connected with a limiting block 14, the inner wall of the base 1 is fixedly connected with a limiting frame 15 for limiting the limiting block 14, the inner wall of the limiting frame 15 is rotatably connected with the outer side of the rotating rod 4, and the inner wall of the crucible 2 is fixedly connected with a cooling Box 16, the interior of the cooling box 16 is respectively provided with a cooling fan 17 and a refrigerator 18, the refrigerator 18 is a semiconductor refrigeration machine in the prior art, which refers to a device that uses the thermoelectric effect of a semiconductor to produce cold. The gallium crystal after welding is cooled by the refrigerator 18 and the cooling fan 17, and the crystal is gradually enlarged to a specified size by cooling. The electric cylinder 31 is started to drive the tooth plate 32 to move, so that the tooth plate 32 slides inside the limit seat 33, the gear 34 drives the rotating rod 4 to rotate, the support plate 5 drives the mold seat 6 to rotate, and the gallium crystal inside the mold seat 6 rotates, so that the gallium crystal is cooled more evenly, and the stability of the cooling growth of the gallium crystal is improved.

[0024] refer to Figure 3 and Figure 4 As shown, the buffer mechanism 8 includes a support rod 81 fixed to one side of the fixing frame 7, the inner wall of the support rod 81 is slidably connected with a slide rod 82, one end of the slide rod 82 is fixedly connected to one side of the protective plate 12, and a first spring 83 is arranged on the outer side of the support rod 81. When the crucible 2 is hit, the protective plate 12 is driven to move, and the slide rod 82 is driven to slide inside the support rod 81, so that the first spring 83 is contracted, and the protective plate 12 is driven to reset through the action of the damper 11 and the first spring 83, so as to reduce the impact force on the crucible 2 and avoid the problem that the gallium crystal shakes and cracks due to the collision of the crucible 2. The clamping mechanism 9 includes two groups of connecting plates 91 fixed on the top of the supporting plate 5. The inner wall of the connecting plate 91 is slidably connected with a guide rod 92. A second spring 93 is arranged on the outer side of the guide rod 92. The guide rod 92 is pulled to slide inside the connecting plate 91 to drive the clamping plate 10 to move. An anti-slip pad is arranged on one side of the clamping plate 10 to shrink the second spring 93 and install the mold base 6 on the top of the supporting plate 5. The guide rod 92 is released, and the second spring 93 is reset to drive the clamping plate 10 to clamp the mold base 6, thereby improving the stability of the mold base 6 and being able to clamp and install mold bases 6 of different sizes.

[0025] Working principle: When the device is in use, the guide rod 92 is pulled to slide inside the connecting plate 91, driving the clamping plate 10 to move. A non-slip pad is provided on one side of the clamping plate 10 to shrink the second spring 93, and the mold seat 6 is installed on the top of the supporting plate 5. The guide rod 92 is loosened, and the second spring 93 is reset to drive the clamping plate 10 to clamp the mold seat 6, thereby improving the stability of the mold seat 6 and clamping and installing mold seats 6 of different sizes. After the gallium crystal is welded, the welded gallium crystal is cooled by the refrigerator 18 and the cooling fan 17. The cooling makes the crystal gradually enlarge to the specified size, and the electric cylinder 31 is started to drive the gear The plate 32 moves, so that the tooth plate 32 slides inside the limit seat 33, so that the gear 34 drives the rotating rod 4 to rotate, so that the supporting plate 5 drives the mold seat 6 to rotate, and the gallium crystal inside the mold seat 6 rotates, so that the gallium crystal is cooled more evenly, and the stability of the cooling growth of the gallium crystal is improved. When the crucible 2 is collided, it will drive the protective plate 12 to move, drive the sliding rod 82 to slide inside the support rod 81, and make the first spring 83 shrink. The protective plate 12 is reset through the action of the damper 11 and the first spring 83, thereby reducing the impact force on the crucible 2 and avoiding the problem of the gallium crystal shaking and cracking caused by the collision of the crucible 2.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mold for growing gallium oxide crystals, comprising a base (1), characterized in that: Also includes: A crucible (2) for growing gallium crystals is fixed to the top of a base (1); a driving mechanism (3) for adjusting the cooling angle of the gallium crystals is arranged inside the base (1); a rotating rod (4) is arranged on one side of the driving mechanism (3); a supporting plate (5) is fixedly connected to the top of the rotating rod (4); and a mold seat (6) is arranged on the top of the supporting plate (5); A fixing frame (7) is fixed to the outside of the crucible (2), a buffer mechanism (8) is provided on one side of the fixing frame (7), a damper (11) is fixedly connected to one side of the fixing frame (7), one end of the damper (11) is fixedly connected to a protective plate (12) for protecting the crucible (2), a clamping mechanism (9) is provided on the top of the support plate (5), and a clamping plate (10) for clamping the mold seat (6) is provided on one side of the clamping mechanism (9).

2. A mold for growing gallium oxide crystals according to claim 1, characterized in that: The driving mechanism (3) comprises an electric cylinder (31) mounted on the inner wall of the base (1); the piston rod of the electric cylinder (31) is fixedly connected to a toothed plate (32); the bottom of the toothed plate (32) is slidably connected to a limit seat (33); and the outer side of the toothed plate (32) is meshingly connected to a gear (34).

3. A mold for growing gallium oxide crystals according to claim 1, characterized in that: The outer side of the rotating rod (4) is fixedly connected to a fixing sleeve (13), the outer side of the fixing sleeve (13) is fixedly connected to a limiting block (14), and the inner wall of the base (1) is fixedly connected to a limiting frame (15) for limiting the limiting block (14).

4. The mold for growing gallium oxide crystals according to claim 1, characterized in that: The buffer mechanism (8) comprises a support rod (81) fixed to one side of the fixing frame (7), the inner wall of the support rod (81) is slidably connected with a sliding rod (82), and a first spring (83) is arranged on the outer side of the support rod (81).

5. The mold for growing gallium oxide crystals according to claim 1, characterized in that: The clamping mechanism (9) comprises two groups of connecting plates (91) fixed to the top of the supporting plate (5), the inner wall of the connecting plate (91) is slidably connected with a guide rod (92), and a second spring (93) is arranged on the outer side of the guide rod (92).

6. The mold for growing gallium oxide crystals according to claim 1, characterized in that: The inner wall of the crucible (2) is fixedly connected to a cooling box (16), and a cooling fan (17) and a refrigerator (18) are respectively arranged inside the cooling box (16).

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