Crystal growth tank

Abstract

The utility model belongs to the technical field of crystal growth, and particularly relates to a crystal growth tank which comprises a tank body, a tank cover is mounted at the top end of the tank body through bolts; a stirring crystal frame is arranged in the tank body; the middle part of the tank cover is rotationally connected with an annular cylinder; a rotating shaft slides in the annular cylinder through a sliding unit, and the bottom end of the rotating shaft extends into the tank body and is arranged at the top end of the stirring crystal frame; the annular cylinder rotates through a rotating unit; the rotating shaft moves up and down through the lifting unit; a detection unit is arranged in the tank body; the utility model provides a crystal growth tank, aiming at solving the problem that the growth quality is poorer due to the fact that the contact area of crystals entering a solution cannot be accurately kept when the crystals are grown by utilizing a solution method in the prior art.

Description

Technical Field

[0001] This utility model belongs to the field of crystal growth technology, specifically a crystal growth tank. Background Technology

[0002] A crystal growth tank (also known as a crystallization tank) is a specialized device that promotes the precipitation of solutes in crystal form by controlling the physicochemical conditions of the solution (such as temperature, pressure, and stirring).

[0003] In existing technologies, when processing crystals using solution methods, it is generally necessary to manually determine the contact area of ​​the seed crystal immersed in the solution through an observation window. However, manual judgment has a large margin of error. At the same time, the crystal continues to grow, requiring constant manual control, which is inconvenient and results in poor crystal growth quality and the presence of impurities. Utility Model Content

[0004] To overcome the shortcomings of the prior art, this utility model provides a crystal growth tank to solve the problems mentioned in the background art.

[0005] The technical solution adopted by this utility model to solve its technical problem is as follows: A crystal growth tank of this utility model includes a tank body; a tank cover is installed at the top of the tank body by bolts; a stirring crystal rack is provided inside the tank body; an annular cylinder is rotatably connected to the middle of the tank cover; a rotating shaft slides inside the annular cylinder through a sliding unit, and the bottom end of the rotating shaft extends into the tank body and is set on the top of the stirring crystal rack; the annular cylinder rotates through a rotating unit; the rotating shaft moves up and down through a lifting unit; a detection unit is provided inside the tank body.

[0006] An outer tank is fixed to the outer wall of the tank body; a water cavity is provided between the outer tank and the tank body; an inlet pipe and an outlet pipe are provided on the outer wall of the outer tank; the outlet pipe is located below the inlet pipe.

[0007] The sliding unit includes a sliding groove and a long slider; a pair of symmetrically distributed sliding grooves are provided inside the annular cylinder; a long slider is provided on the outer wall of the rotating shaft; the long slider slides in the sliding groove.

[0008] The rotating unit includes a first gear and a second gear; the first gear is fixedly connected to the outer wall of the annular cylinder; a servo motor is fixedly connected to the top of the can lid through an inverted L-shaped plate; the output end of the servo motor is provided with a second gear; the first gear and the second gear mesh with each other.

[0009] The lifting unit includes a first hydraulic cylinder; the first hydraulic cylinder is fixedly connected to the tank cover; a connecting plate is fixedly connected to the top of the hydraulic rod of the first hydraulic cylinder; and the top of the rotating shaft is rotatably connected to the bottom of the connecting plate.

[0010] The detection unit includes a liquid level rangefinder; the tank lid is equipped with a liquid level rangefinder; the rotating shaft includes a first sliding column and a sliding rod; the long slider is fixed to the outer wall of the first sliding column; a first cavity is formed in the bottom end of the first sliding column; a sliding plate is slidably connected in the first cavity; the bottom end of the sliding plate is fixed to the bottom end of the first cavity by a spring; a sliding rod is fixed to the bottom end of the sliding plate, and the bottom end of the sliding rod extends out of the first sliding column and is fixed to the stirring crystal frame; a distance measuring device is installed at the top of the first cavity; both the first cavity and the sliding plate are square in shape.

[0011] The advantages of this utility model, which differ from existing technologies, are as follows:

[0012] 1. The crystal growth tank of this utility model measures the liquid level and the contact area of ​​the seed crystal immersed in the liquid by the stirring crystal rack through the detection unit. Then, the rotating shaft is moved up and down by the lifting unit to complete the seed crystal immersion operation. At the same time, the detection unit keeps the immersion area within the optimal range at all times through crystal growth to ensure the quality of crystal growth.

[0013] 2. The crystal growth tank of this utility model measures the liquid level and the contact area of ​​the seed crystal immersed in the liquid by the stirring crystal frame through the detection unit. The first hydraulic cylinder drives the hydraulic rod, connecting plate and rotating shaft to move up and down to complete the contact area between the stirring crystal frame and the seed crystal immersed in the liquid. At the same time, the servo motor works, and through the first gear and the second gear, it drives the rotation of the annular cylinder and the rotating shaft to complete the rotation and ensure the uniformity of crystal growth. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings.

[0015] Figure 1 This is a perspective view of the present invention;

[0016] Figure 2 This is a cross-sectional view of the present invention;

[0017] Figure 3 yes Figure 2 Enlarged view of a portion of point A in the middle;

[0018] Figure 4 yes Figure 3 Enlarged view of a section at point B in the middle;

[0019] Figure 5 It is a 3D diagram of the axis of rotation;

[0020] Figure 6 This is an exploded view of the axis of rotation;

[0021] In the diagram: 1. Tank body; 11. Tank lid; 12. Stirring frame; 13. Rotating shaft; 14. Annular cylinder; 2. Outer tank; 21. Water cavity; 22. Inlet pipe; 23. Outlet pipe; 3. Sliding groove; 31. Long slider; 32. First gear; 33. Second gear; 34. Servo motor; 35. First hydraulic cylinder; 36. Hydraulic rod; 37. Connecting plate; 4. Liquid level rangefinder; 41. First sliding column; 42. First cavity; 43. Slide plate; 44. Sliding rod; 45. Distance measuring device. Detailed Implementation

[0022] To illustrate in detail the possible application scenarios, technical principles, implementable specific solutions, and achievable objectives and effects of this utility model, the following description, in conjunction with the listed specific embodiments and accompanying drawings, provides a detailed explanation. The embodiments described herein are merely illustrative of the technical solutions of this utility model and are therefore intended to limit the scope of protection of this utility model.

[0023] In this document, the term "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this utility model. The term "embodiment" appearing in various places throughout the specification does not necessarily refer to the same embodiment, nor does it specifically limit its independence or connection with other embodiments. In principle, in this utility model, as long as there are no technical contradictions or conflicts, the technical features mentioned in each embodiment can be combined in any way to form corresponding implementable technical solutions.

[0024] Unless otherwise defined, the technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the use of related terms herein is merely for the purpose of describing particular embodiments and is not intended to limit the invention.

[0025] In the description of this utility model, the term "and / or" is used to describe the logical relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A exists, B exists, and A and B exist simultaneously. Additionally, the character " / " generally indicates that the preceding and following objects have an "or" logical relationship.

[0026] In this invention, terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any actual quantity, hierarchy, or order between these entities or operations.

[0027] Without further limitations, the use of terms such as “comprising,” “including,” “having,” or other similar expressions in this invention is intended to cover non-exclusive inclusion, which does not exclude the presence of additional elements in a process, method, or product that includes the stated elements, such that a process, method, or product that includes a series of elements may include not only those defined elements but also other elements not expressly listed, or elements inherent to such a process, method, or product.

[0028] Similar to the understanding in the Examination Guidelines, in this utility model, expressions such as "greater than," "less than," and "exceeding" are understood to exclude the stated number; expressions such as "above," "below," and "within" are understood to include the stated number. Furthermore, in the description of the embodiments of this utility model, "multiple" means two or more (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups" and "multiple times," unless otherwise explicitly specified.

[0029] In the description of the embodiments of this utility model, the space-related expressions used, such as "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," indicate the orientation or positional relationship based on the orientation or positional relationship shown in the specific embodiments or drawings. They are only for the convenience of describing the specific embodiments of this utility model or for the reader's understanding, and do not indicate or imply that the device or component referred to must have a specific position, a specific orientation, or be constructed or operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.

[0030] Unless otherwise expressly specified or limited, the terms "installation," "connection," "linking," "fixing," and "setting," as used in the description of the embodiments of this utility model, should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two components or the interaction between two components. For those skilled in the art to which this utility model pertains, the specific meaning of the above terms in the embodiments of this utility model can be understood according to the specific circumstances.

[0031] like Figures 1 to 6As shown, the crystal growth tank of this utility model includes a tank body 1; a tank cover 11 is bolted to the top of the tank body 1; a stirring crystal rack 12 is provided inside the tank body 1; an annular cylinder 14 is rotatably connected to the middle of the tank cover 11; a rotating shaft 13 slides inside the annular cylinder 14 via a sliding unit, and the bottom end of the rotating shaft 13 extends into the tank body 1 and is positioned on the top of the stirring crystal rack 12; the annular cylinder 14 rotates via a rotating unit; the rotating shaft 13 moves up and down via a lifting unit; a detection unit is provided inside the tank body 1; in the prior art, when processing crystals using the solution method, it is generally necessary to manually determine the contact area of ​​the seed crystal immersed in the solution through an observation window, but manual intervention is required. The judgment error is relatively large, and the crystal continues to grow, requiring constant manual control, which is inconvenient and leads to poor crystal growth quality and the presence of impurities. Therefore, during operation, the detection unit measures the liquid level and the contact area of ​​the seed crystal immersing in the liquid by the stirring crystal frame 12. Then, the lifting unit drives the rotating shaft 13 to move up and down to complete the seed crystal immersion operation. At the same time, the detection unit keeps the immersion area within the optimal range through crystal growth to ensure crystal growth quality. The seed crystal is installed on the stirring crystal frame 12 by bonding, which is existing technology and will not be described in detail. The liquid outlet pipe and liquid inlet pipe of the tank 1 are also existing technologies and will not be described in detail.

[0032] An outer tank 2 is fixedly connected to the outer wall of the tank body 1; a water cavity 21 is provided between the outer tank 2 and the tank body 1; an inlet pipe 22 and an outlet pipe 23 are provided on the outer wall of the outer tank 2; the outlet pipe 23 is located below the inlet pipe 22; during operation, the temperature gradient and the stirring intensity of the stirring frame 12 are adjusted by setting the inlet pipe 22, the outlet pipe 23 and the water cavity 21 to complete the crystal growth operation.

[0033] The sliding unit includes a sliding groove 3 and a long slider 31; a pair of symmetrically distributed sliding grooves 3 are provided inside the annular cylinder 14; a long slider 31 is provided on the outer wall of the rotating shaft 13; the long slider 31 slides in the sliding groove 3;

[0034] The rotating unit includes a first gear 32 and a second gear 33; the first gear 32 is fixedly connected to the outer wall of the annular cylinder 14; the top of the can lid 11 is fixedly connected to a servo motor 34 through an inverted L-shaped plate; the output end of the servo motor 34 is provided with a second gear 33; the first gear 32 and the second gear 33 mesh with each other.

[0035] The lifting unit includes a first hydraulic cylinder 35; the first hydraulic cylinder 35 is fixedly connected to the tank cover 11; the top end of the hydraulic rod 36 of the first hydraulic cylinder 35 is fixedly connected to a connecting plate 37; the top end of the rotating shaft 13 is rotatably connected to the bottom end of the connecting plate 37.

[0036] During operation, the liquid level height and the contact area of ​​the seed crystal immersing in the liquid driven by the stirring crystal frame 12 are measured by the detection unit. The first hydraulic cylinder 35 drives the hydraulic rod 36, the connecting plate 37 and the rotating shaft 13 to move up and down to complete the contact area between the stirring crystal frame 12 and the seed crystal immersing in the liquid. At the same time, the servo motor 34 works, which drives the annular cylinder 14 and the rotating shaft 13 to rotate through the first gear 32 and the second gear 33, thus completing the rotation and ensuring the uniformity of crystal growth.

[0037] The detection unit includes a liquid level rangefinder 4; the tank cover 11 is equipped with a liquid level rangefinder 4; the rotating shaft 13 includes a first sliding column 41 and a sliding rod 44; the long slider 31 is fixed to the outer wall of the first sliding column 41; a first cavity 42 is opened in the bottom end of the first sliding column 41; a sliding plate 43 is slidably connected in the first cavity 42; the bottom end of the sliding plate 43 is fixed to the bottom end of the first cavity 42 by a spring; a sliding rod 44 is fixed to the bottom end of the sliding plate 43, and the bottom end of the sliding rod 44 extends out of the first sliding column 41 and is fixed to the stirring crystal frame 12; a distance measuring device 45 is installed at the top of the first cavity 42; the first cavity 4 Both 2 and 43 are square in shape. During operation, the liquid level measuring device 4 measures the height of the solution level in tank 1. At the same time, when the seed crystal is installed on the stirring crystal frame 12, its mass will cause the stirring crystal frame 12 and the sliding rod 44 to move down, causing the sliding plate 43 to move down, allowing the distance measuring device 45 to complete the distance measurement. Because at this initial state, that is, when the seed crystal is installed, the descent distance of the sliding plate 43 can be measured. The initial length of the seed crystal is also clear. Therefore, later, according to the growth of the seed crystal, it will cause the stirring crystal frame 12 to descend, and then the distance measuring device will complete the measurement. At the same time, the lifting unit completes the overall descent and the immersion contact area of ​​the seed crystal.

[0038] Working principle: The system measures the liquid level and the contact area of ​​the seed crystal immersing in the liquid by the stirring crystal frame 12 through a detection unit. Then, the rotating shaft 13 moves up and down through a lifting unit to complete the seed crystal immersion operation. Simultaneously, the detection unit monitors the crystal growth to maintain the immersion area within the optimal range. The system measures the liquid level and the contact area of ​​the seed crystal immersing in the liquid by the stirring crystal frame 12. The first hydraulic cylinder 35 moves the hydraulic rod 36, connecting plate 37, and rotating shaft 13 up and down to complete the contact area between the stirring crystal frame 12 and the seed crystal immersion surface. At the same time, the servo motor 34 operates, driving the ring gear 32 and the second gear 33 to further drive the ring gear 12. The rotation of the cylindrical tube 14 and the rotating shaft 13 completes the rotation, ensuring the uniformity of crystal growth. The liquid level of the solution in the tank 1 is measured by the liquid level measuring device 4. At the same time, when the seed crystal is installed on the stirring crystal frame 12, its mass will drive the stirring crystal frame 12 and the sliding rod 44 to move down, causing the sliding plate 43 to move down, allowing the distance measuring device 45 to complete the distance measurement. Because at this initial state, that is, when the seed crystal is installed, the descent distance of the sliding plate 43 can be measured. The initial length of the seed crystal is also clear. Therefore, later, according to the growth of the seed crystal, it will drive the stirring crystal frame 12 to descend, and then the distance measuring device will complete the measurement. At the same time, the lifting unit completes the overall descent and the immersion contact area of ​​the seed crystal.

[0039] The terms "front," "back," "left," "right," "top," and "bottom" all refer to the figures in the accompanying drawings. Figure 1 Based on the perspective of the observer, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0040] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A crystal growth tank characterized by, The device includes a tank body; a tank cover is bolted to the top of the tank body; a stirring crystal rack is provided inside the tank body; an annular cylinder is rotatably connected to the middle of the tank cover; a rotating shaft slides inside the annular cylinder via a sliding unit, and the bottom end of the rotating shaft extends into the tank body and is positioned on the top of the stirring crystal rack; the annular cylinder rotates via a rotating unit; the rotating shaft moves up and down via a lifting unit; and a detection unit is provided inside the tank body.

2. A crystal growing vessel according to claim 1, wherein An outer tank is fixed to the outer wall of the main tank; a water cavity is provided between the outer tank and the main tank; an inlet pipe and an outlet pipe are provided on the outer wall of the outer tank.

3. A crystal growing vessel according to claim 2, wherein The sliding unit includes a sliding groove and a long slider; a pair of symmetrically distributed sliding grooves are provided inside the annular cylinder; a long slider is provided on the outer wall of the rotating shaft; the long slider slides in the sliding groove.

4. A crystal growing vessel according to claim 3, wherein The rotating unit includes a first gear and a second gear; the first gear is fixedly connected to the outer wall of the annular cylinder; a servo motor is fixedly connected to the top of the can lid through an inverted L-shaped plate; the output end of the servo motor is provided with a second gear; the first gear and the second gear mesh with each other.

5. A crystal growing vessel according to claim 4, wherein The lifting unit includes a first hydraulic cylinder; the first hydraulic cylinder is fixedly connected to the tank cover; a connecting plate is fixedly connected to the top of the hydraulic rod of the first hydraulic cylinder; and the top of the rotating shaft is rotatably connected to the bottom of the connecting plate.

6. A crystal growing vessel according to claim 5, wherein The detection unit includes a liquid level rangefinder; the tank lid is equipped with a liquid level rangefinder; the rotating shaft includes a first sliding column and a sliding rod; the long slider is fixed to the outer wall of the first sliding column; a first cavity is formed in the bottom end of the first sliding column; a sliding plate is slidably connected in the first cavity; the bottom end of the sliding plate is fixed to the bottom end of the first cavity by a spring; a sliding rod is fixed to the bottom end of the sliding plate, and the bottom end of the sliding rod extends out of the first sliding column and is fixed to the stirring crystal frame; a distance measuring device is installed at the top of the first cavity.

7. A crystal growing vessel according to claim 6, wherein Both the first cavity and the slide plate are square in shape.

8. A crystal growing vessel according to claim 7, wherein The outlet pipe is located below the inlet pipe.

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