Lithium tantalate single crystal rod pulling growth system pulling clamping mechanism

Abstract

This utility model relates to a pulling clamping mechanism for a lithium tantalate single crystal rod pulling growth system, comprising: a first clamping plate and a second clamping plate fixedly connected together; a first clamping block, which is fixedly clamped between the first clamping plate and the second clamping plate; a third clamping plate and a fourth clamping plate fixedly connected together; a second clamping block, which is fixedly clamped between the third clamping plate and the fourth clamping plate; and a pivot, which allows the assembly composed of the first clamping plate and the second clamping plate to pivot relative to the assembly composed of the third clamping plate and the fourth clamping plate, and the assembly composed of the third clamping plate and the fourth clamping plate to pivot relative to the assembly composed of the first clamping plate and the second clamping plate, thereby causing the first clamping block and the second clamping block to move away from or towards each other.

Description

Technical Field

[0001] This utility model relates to processing equipment for lithium tantalate single crystal rods, specifically to the pulling and clamping mechanism of a lithium tantalate single crystal rod pulling growth system. Background Technology

[0002] Lithium tantalate (LiTaO3) single crystal rods are important functional crystal materials with unique physical and chemical properties, widely used in electronics, optics, and acoustics. The Czochralski method is one of the most commonly used processing methods for lithium tantalate single crystal rods, with a growth rate of 1-3 mm / h and good stability. In the Czochralski process, the lithium tantalate single crystal rod is fixed in the Czochralski growth system. Generally, the Czochralski clamping mechanism both holds the lithium tantalate single crystal rod in place and is fixed to the Czochralski growth system. For example, Chinese utility model patent application CN201820025490.4 describes a lithium tantalate single crystal rod growth Czochralski system. However, this patent does not describe in detail how the lithium tantalate single crystal rod is fixed in the growth system. In existing technologies, the connection mechanisms for fixing and connecting the lithium tantalate single crystal rod are either structurally complex or require a long and cumbersome process to open and release the lithium tantalate single crystal rod. Summary of the Invention

[0003] The purpose of this invention is to address the shortcomings of existing technologies by proposing a lifting clamping mechanism for a lithium tantalate single crystal rod lifting growth system.

[0004] To achieve the above objectives, this utility model adopts the following technical solution: a lifting and clamping mechanism for a lithium tantalate single crystal rod lifting growth system, comprising:

[0005] A first clamping plate and a second clamping plate are fixedly connected together;

[0006] A first clamping block is fixedly clamped between a first clamping plate and a second clamping plate, and the first clamping block is fixedly connected to the first clamping plate and the second clamping plate.

[0007] The third clamping plate and the fourth clamping plate are fixedly connected together;

[0008] The second clamping block is fixedly clamped between the third clamping plate and the fourth clamping plate, and the second clamping block is fixedly connected to the third clamping plate and the fourth clamping plate.

[0009] And a pivot that pivotally connects the first clamping plate, the second clamping plate, the third clamping plate and the fourth clamping plate together, such that the assembly consisting of the first clamping plate and the second clamping plate pivots relative to the assembly consisting of the third clamping plate and the fourth clamping plate, and the assembly consisting of the third clamping plate and the fourth clamping plate pivots relative to the assembly consisting of the first clamping plate and the second clamping plate, such that the first clamping block and the second clamping block move away from or closer to each other.

[0010] In some embodiments of this application, a screw, a connecting block, and a nut are also included. The screw has an external thread, and the nut has a through hole with an internal thread on its inner wall. The connecting block has a insertion hole and is clamped between a third clamping plate and a fourth clamping plate, and is fixedly connected to the third and fourth clamping plates by bolts. The nut is clamped between a first clamping plate and a second clamping plate, and is fixedly connected to the first and second clamping plates by bolts. One end of the screw is inserted into the insertion hole of the connecting block, and the screw passes through the through hole of the nut, and the screw and the nut are threaded together.

[0011] In some embodiments of this application, a spacer bar is also included, which is placed between the third clamping plate and the fourth clamping plate and is fixedly clamped by the third clamping plate and the fourth clamping plate, and the pivot passes through the first clamping plate, the second clamping plate, the third clamping plate, the fourth clamping plate, and the spacer bar, thereby causing the assembly composed of the first clamping plate and the second clamping plate to pivot relative to the assembly composed of the third clamping plate and the fourth clamping plate.

[0012] In some embodiments of this application, the first clamping block is fixedly connected to the first clamping plate and the second clamping plate by bolts, and the second clamping block is fixedly connected to the third clamping plate and the fourth clamping plate by bolts; the first clamping block is provided with a first anti-slip tooth structure, and the second clamping block is provided with a second anti-slip tooth structure; a clamping space is formed between the first clamping block and the second clamping block, and the clamping space decreases when the first clamping block is close to the second clamping block; the clamping space increases when the first clamping block is far away from the second clamping block; the first anti-slip tooth structure and the second anti-slip tooth structure constitute a part of the clamping space.

[0013] In some embodiments of this application, both the first clamping block and the second clamping block are made of rubber material.

[0014] In some embodiments of this application, a limiting rod is further included. The limiting rod is fixedly connected to the first clamping plate and the second clamping plate. The limiting rod has a limiting portion located between the first clamping plate and the second clamping plate. When the assembly composed of the first clamping plate and the second clamping plate pivots relative to the assembly composed of the third clamping plate and the fourth clamping plate to a preset position, the limiting portion of the limiting rod prevents the first clamping plate and the second clamping plate from continuing to pivot relative to the assembly composed of the third clamping plate and the fourth clamping plate.

[0015] In some embodiments of this application, the first clamping plate and the second clamping plate have the same structure. The second clamping plate includes a first component segment, a second component segment, and a third component segment. One end of the second component segment is fixedly connected to the first component segment, and the other end of the second component segment is fixedly connected to the third component segment. The first component segment extends upward at an angle relative to the second component segment, and the second component segment and the third component segment are approximately perpendicular to each other.

[0016] In some embodiments of this application, the third clamping plate and the fourth clamping plate have the same structure. The fourth clamping plate includes a first support segment and a second support segment. One end of the second support segment is fixedly connected to the first support segment, and the first support segment and the second support segment are perpendicular to each other. The other end of the second support segment is pivotally connected to the second clamping plate through the pivot.

[0017] The beneficial effects of this application are as follows: The lifting clamping mechanism of the lithium tantalate single crystal rod pulling growth system provided by this application has the advantages of simple structure and easy assembly. Secondly, by turning the screw, the screw drives the whole assembly composed of the first clamping plate and the second clamping plate to pivot relative to the whole assembly composed of the third clamping plate and the fourth clamping plate, thereby causing the first clamping block and the second clamping block to move away from or towards each other. When they move away from each other, the lithium tantalate single crystal rod is released; when they move towards each other, the lithium tantalate single crystal rod is fixedly clamped. Furthermore, the clamping mechanism of this application has a large clamping force, making it difficult for the lithium tantalate single crystal rod to slip when clamped; when release is required, only a few turns of the screw are needed, making the release action simple and time-saving. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the lifting and clamping mechanism of the lithium tantalate single crystal rod lifting growth system provided by this utility model.

[0019] Figure 2 Another schematic diagram of the lifting clamping mechanism of the lithium tantalate single crystal rod lifting growth system provided by this utility model.

[0020] Figure 3Another schematic diagram of the lifting clamping mechanism of the lithium tantalate single crystal rod lifting growth system provided by this utility model. Detailed Implementation

[0021] The present application will now be described in further detail with reference to the accompanying drawings and specific embodiments. Similar elements in different embodiments are referred to by related similar element reference numerals. In the following embodiments, many details are described to facilitate a better understanding of the present application. However, those skilled in the art will readily recognize that some features may be omitted in different situations, or may be replaced by other elements, materials, or methods. In some cases, certain operations related to the present application are not shown or described in the specification. This is to avoid obscuring the core parts of the present application with excessive description. For those skilled in the art, detailed description of these related operations is not necessary; they can fully understand the related operations based on the description in the specification and general technical knowledge in the art.

[0022] Furthermore, the features, operations, or characteristics described in the specification can be combined in any suitable manner to form various embodiments, and the operational steps involved in each embodiment can also be rearranged or adjusted in a manner that is obvious to those skilled in the art. Therefore, the specification and drawings are only for clearly describing a particular embodiment and do not imply that they represent the necessary components and / or order.

[0023] The serial numbers assigned to components in this document, such as "first" and "second," are used only to distinguish the objects being described and have no sequential or technical meaning. Unless otherwise specified, the terms "connection" and "linkage" used in this application include both direct and indirect connections (linkages).

[0024] Please refer to Figure 1-3 This application provides a pulling clamping mechanism (hereinafter referred to as "the clamping mechanism") for a lithium tantalate single crystal rod pulling growth system. The clamping mechanism can not only firmly clamp the lithium tantalate single crystal rod, but also quickly release the lithium tantalate single crystal rod. The release process is simple and it also has the advantage of simple structure.

[0025] The clamping mechanism includes:

[0026] A first clamping plate 1 and a second clamping plate 2 are fixedly connected together;

[0027] The first clamping block 11 is fixedly clamped between the first clamping plate 1 and the second clamping plate 2, and the first clamping block 11 is fixedly connected to the first clamping plate 1 and the second clamping plate 2.

[0028] The third clamping plate 4 and the fourth clamping plate 5 are fixedly connected together;

[0029] The second clamping block 12 is fixedly clamped between the third clamping plate 4 and the fourth clamping plate 5, and the second clamping block 12 is fixedly connected to the third clamping plate 4 and the fourth clamping plate 5.

[0030] And pivot 3, which pivotally connects the first clamping plate 1, the second clamping plate 2, the third clamping plate 4 and the fourth clamping plate 5 together, such that the assembly consisting of the first clamping plate 1 and the second clamping plate 2 pivots relative to the assembly consisting of the third clamping plate 4 and the fourth clamping plate 5, and the assembly consisting of the third clamping plate 4 and the fourth clamping plate 5 pivots relative to the assembly consisting of the first clamping plate 1 and the second clamping plate 2, such that the first clamping block 11 and the second clamping block 12 move away from or closer to each other. In this application, the first clamping plate 1 and the second clamping plate 2 form one component, and the third clamping plate 4 and the fourth clamping plate 5 form another component. Alternatively, the components can be considered as a whole, that is, the whole composed of the first clamping plate 1 and the second clamping plate 2 and the whole composed of the third clamping plate 4 and the fourth clamping plate 5 can pivot to each other, so that when the first clamping block 11 and the second clamping block 12 are close together, the lithium tantalate single crystal rod is firmly fixed and clamped; when the first clamping block 11 and the second clamping block 12 are far apart, the lithium tantalate single crystal rod is released.

[0031] Please refer to some embodiments of this application. Figure 1-3The clamping mechanism further includes a screw 8, a connecting block 6, and a nut 7. The screw 8 has an external thread, and the nut 7 has a through hole 70 with an internal thread on its inner wall. The connecting block 6 has an insertion hole 60 and is clamped between the third clamping plate 4 and the fourth clamping plate 5, and is fixedly connected to the third clamping plate 4 and the fourth clamping plate 5 by bolts. The nut 7 is clamped between the first clamping plate 1 and the second clamping plate 2, and is fixedly connected to the first clamping plate 1 and the second clamping plate 2 by bolts. One end of the screw 8 is inserted into the insertion hole 60 of the connecting block 6, and the screw 8 passes through the through hole 70 of the nut 7, and the screw 8 and the nut 7 are threaded together. In this application, rotating the screw 8 drives the nut 7 to move on the screw 8, thereby causing the nut 7 to pivot the first clamping plate 1 and the second clamping plate 2 relative to the third clamping plate 4 and the fourth clamping plate 5. That is, the first clamping block 11 moves closer to or further away from the second clamping block 12, thus fixing and clamping the lithium tantalate single crystal rod, or releasing the lithium tantalate single crystal rod.

[0032] Please refer to some embodiments of this application. Figure 1-3 The clamping mechanism further includes a spacer rod 9, which is positioned between the third clamping plate 4 and the fourth clamping plate 5. The spacer rod 9 is fixedly clamped by the third clamping plate 4 and the fourth clamping plate 5. The pivot 3 passes through the first clamping plate 1, the second clamping plate 2, the third clamping plate 4, the fourth clamping plate 5, and the spacer rod 9, thereby allowing the assembly composed of the first clamping plate 1 and the second clamping plate 2 to pivot relative to the assembly composed of the third clamping plate 4 and the fourth clamping plate 5. Not disclosed in the accompanying drawings, the spacer rod 9 also has a through hole extending axially along its axis. The pivot 3 passes through this through hole. In this application, the spacer rod 9 serves to separate the third clamping plate 4 and the fourth clamping plate 5.

[0033] Please refer to some embodiments of this application. Figure 1-3The first clamping block 11 is fixedly connected to the first clamping plate 1 and the second clamping plate 2 by bolts 13, and the second clamping block 12 is fixedly connected to the third clamping plate 4 and the fourth clamping plate 5 by bolts 13. The first clamping block 11 is provided with a first anti-slip tooth structure 110, and the second clamping block 12 is provided with a second anti-slip tooth structure 120. A clamping space 100 is formed between the first clamping block 11 and the second clamping block 12. When the first clamping block 11 is close to the second clamping block 12, the clamping space 100 becomes smaller; when the first clamping block 11 is far away from the second clamping block 12, the clamping space 100 becomes larger. The first anti-slip tooth structure 110 and the second anti-slip tooth structure 120 constitute a part of the clamping space 100. In this application, the first clamping block 11 can also be fixedly connected to the first clamping plate 1 and the second clamping plate 2 by other fixed connection methods, such as snap-fit, screw connection, or adhesive connection; the second clamping block 12 can also be fixedly connected to the first clamping plate 1 and the second clamping plate 2 by other fixed connection methods, such as snap-fit, screw connection, or adhesive connection. The purpose of providing anti-slip tooth structure on the first clamping block 11 and the second clamping block 12 is to prevent the lithium tantalate single crystal rod from sliding or from sliding easily when it is fixedly clamped.

[0034] Please refer to some embodiments of this application. Figure 1-3 To prevent the lithium tantalate single crystal rod from sliding or easily sliding when it is fixedly clamped, in this application, both the first clamping block 11 and the second clamping block 12 are made of rubber material. Of course, the fact that both the first clamping block 11 and the second clamping block 12 are made of rubber material is a preferred embodiment of this application. Other embodiments exist; for example, parts of the structure of the first clamping block 11 and the second clamping block 12 are made of non-rubber materials, such as metal, while the first anti-slip tooth structure 110 and the second anti-slip tooth structure 120 are made of rubber material. This also achieves the technical effect of preventing or minimizing the sliding of the lithium tantalate single crystal rod.

[0035] Please refer to some embodiments of this application. Figure 1-3 The clamping mechanism further includes a limiting rod 14, which is fixedly connected to the first clamping plate 1 and the second clamping plate 2. The limiting rod 14 has a limiting portion 140 located between the first clamping plate 1 and the second clamping plate 2. When the assembly consisting of the first clamping plate 1 and the second clamping plate 2 pivots to a preset position relative to the assembly consisting of the third clamping plate 4 and the fourth clamping plate 5, the limiting portion 140 of the limiting rod 14 prevents the first clamping plate 1 and the second clamping plate 2 from continuing to pivot relative to the assembly consisting of the third clamping plate 4 and the fourth clamping plate 5.

[0036] Please refer to some embodiments of this application. Figure 1-3 The first clamping plate 1 and the second clamping plate 2 have the same structure. The second clamping plate 2 includes a first component segment 21, a second component segment 22, and a third component segment 23. One end of the second component segment 22 is fixedly connected to the first component segment 21, and the other end of the second component segment 22 is fixedly connected to the third component segment 23. The first component segment 21 extends upward at an angle relative to the second component segment 22, and the second component segment 22 and the third component segment 23 are approximately perpendicular to each other.

[0037] Please refer to some embodiments of this application. Figure 1-3 The third clamping plate 4 and the fourth clamping plate 5 have the same structure. The fourth clamping plate 5 includes a first support segment 51 and a second support segment 52. One end of the second support segment 52 is fixedly connected to the first support segment 51, and the first support segment 51 and the second support segment 52 are perpendicular to each other. The other end of the second support segment 52 is pivotally connected to the second clamping plate 2 via the pivot 3. Of course, in this application, the other end of the third clamping plate 4 is also pivotally connected to the first clamping plate 1 via the pivot 3, so that the assembly composed of the third clamping plate 4 and the fourth clamping plate 5 pivots relative to the assembly composed of the first clamping plate 1 and the second clamping plate 2.

[0038] The lithium tantalate single crystal rod pulling and growth system provided in this application has the advantages of simple structure and easy assembly. Furthermore, by turning the screw, the screw drives the entire assembly consisting of the first and second clamping plates to pivot relative to the entire assembly consisting of the third and fourth clamping plates. This causes the first and second clamping blocks to move away from or towards each other. When they move away, the lithium tantalate single crystal rod is released; when they move closer, the lithium tantalate single crystal rod is fixedly clamped. Moreover, the clamping mechanism of this application has a large clamping force, making it difficult for the lithium tantalate single crystal rod to slip when clamped. When release is required, only a few turns of the screw are needed, making the release action simple and time-efficient.

[0039] The above embodiments are only for illustrating the technical concept and features of this utility model, and are intended to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be construed as limiting the scope of protection of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be included within the scope of protection of this utility model.

Claims

1. A pulling clamping mechanism for a lithium tantalate single crystal rod pulling growth system, characterized in that, include: A first clamping plate and a second clamping plate are fixedly connected together; A first clamping block is fixedly clamped between a first clamping plate and a second clamping plate, and the first clamping block is fixedly connected to the first clamping plate and the second clamping plate. The third clamping plate and the fourth clamping plate are fixedly connected together; The second clamping block is fixedly clamped between the third clamping plate and the fourth clamping plate, and the second clamping block is fixedly connected to the third clamping plate and the fourth clamping plate. And a pivot that pivotally connects the first clamping plate, the second clamping plate, the third clamping plate and the fourth clamping plate together, such that the assembly consisting of the first clamping plate and the second clamping plate pivots relative to the assembly consisting of the third clamping plate and the fourth clamping plate, and the assembly consisting of the third clamping plate and the fourth clamping plate pivots relative to the assembly consisting of the first clamping plate and the second clamping plate, such that the first clamping block and the second clamping block move away from or closer to each other.

2. The lifting and clamping mechanism according to claim 1, characterized in that, It also includes a screw, a connecting block, and a nut. The screw has an external thread, and the nut has a through hole with an internal thread on its inner wall. The connecting block has a insertion hole and is clamped between a third clamping plate and a fourth clamping plate, and is fixedly connected to the third and fourth clamping plates by bolts. The nut is clamped between a first clamping plate and a second clamping plate, and is fixedly connected to the first and second clamping plates by bolts. One end of the screw is inserted into the insertion hole of the connecting block, and the screw passes through the through hole of the nut, and the screw and the nut are threaded together.

3. The lifting and clamping mechanism according to claim 1, characterized in that, It also includes an isolation rod, which is placed between the third clamping plate and the fourth clamping plate and is fixedly clamped by the third clamping plate and the fourth clamping plate, and the pivot passes through the first clamping plate, the second clamping plate, the third clamping plate, the fourth clamping plate and the isolation rod, thereby causing the assembly composed of the first clamping plate and the second clamping plate to pivot relative to the assembly composed of the third clamping plate and the fourth clamping plate.

4. The lifting and clamping mechanism according to claim 1, characterized in that, The first clamping block is fixedly connected to the first clamping plate and the second clamping plate by bolts, and the second clamping block is fixedly connected to the third clamping plate and the fourth clamping plate by bolts; the first clamping block is provided with a first anti-slip tooth structure, and the second clamping block is provided with a second anti-slip tooth structure; a clamping space is formed between the first clamping block and the second clamping block, and the clamping space becomes smaller when the first clamping block is close to the second clamping block; the clamping space becomes larger when the first clamping block is far away from the second clamping block; the first anti-slip tooth structure and the second anti-slip tooth structure constitute a part of the clamping space.

5. The lifting and clamping mechanism according to claim 1, characterized in that, Both the first clamping block and the second clamping block are made of rubber material.

6. The lifting and clamping mechanism according to claim 1, characterized in that, It also includes a limiting rod, which is fixedly connected to the first clamping plate and the second clamping plate. The limiting rod has a limiting portion located between the first clamping plate and the second clamping plate. When the assembly composed of the first clamping plate and the second clamping plate pivots to a preset position relative to the assembly composed of the third clamping plate and the fourth clamping plate, the limiting portion of the limiting rod prevents the first clamping plate and the second clamping plate from continuing to pivot relative to the assembly composed of the third clamping plate and the fourth clamping plate.

7. The lifting and clamping mechanism according to claim 1, characterized in that, The first clamping plate and the second clamping plate have the same structure. The second clamping plate includes a first component segment, a second component segment, and a third component segment. One end of the second component segment is fixedly connected to the first component segment, and the other end of the second component segment is fixedly connected to the third component segment. The first component segment extends upward at an angle relative to the second component segment, and the second component segment and the third component segment are approximately perpendicular to each other.

8. The lifting and clamping mechanism according to claim 1, characterized in that, The third clamping plate and the fourth clamping plate have the same structure. The fourth clamping plate includes a first support section and a second support section. One end of the second support section is fixedly connected to the first support section, and the first support section and the second support section are perpendicular to each other. The other end of the second support section is pivotally connected to the second clamping plate through the pivot.

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