Convenient quartz crucible jig

By designing an adjustable quartz crucible fixture, the problem of insufficient adaptability of existing fixtures is solved, enabling stable clamping of crucibles of different sizes, simplifying operation, extending service life, and reducing costs.

CN223495964UActive Publication Date: 2025-10-31HUBEI SHICHUANG SEMICON TECH CO LTD
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Patent Information

Application Number
CN202423063183.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-10-31
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Existing quartz crucible clamps have complex structures and cannot accommodate quartz crucibles of different sizes, forcing manufacturers to purchase multiple clamps, which increases costs.

Method used

A convenient quartz crucible fixture was designed, including a fixture top seat, jaws, and fixture base. It adopts adjustable jaws and fastening components to adapt to quartz crucibles of different sizes. The movement of the jaws is realized by the connection of screws and nuts. Combined with nylon rings and adapters, the clamping stability and flexibility are improved.

Benefits of technology

It achieves stable clamping of quartz crucibles of different sizes, simplifies operation, extends crucible life, reduces production costs, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of photovoltaic silicon wafer processing, and discloses a convenient quartz crucible jig which comprises a jig top seat, a clamping jaw and a jig base. The top ends of the clamping jaws are installed on the jig top seat, the clamping jaws are arranged on the outer side of the jig top seat in a bilateral symmetry mode, the jig base is fixedly connected with the bottom ends of the clamping jaws, and the whole jig base is of a semicircular structure. The crucible lifting appliance has the advantages and effects that the bottom of a crucible can be firmly grasped, and lifting and dismounting operations are realized. Meanwhile, the mechanical structure is simple, an operator can operate equipment more conveniently by controlling opening and closing of the clamping jaws, the operability of the equipment is improved, firmness and reliability are achieved, damage caused by pressing is avoided, the service life of the crucible is prolonged, hoisting can be achieved without waiting for cooling of a furnace, the non-production time is greatly shortened, the work efficiency is improved, and the production cost is reduced; and the clamping range matched with the crucible can be enlarged according to the size of the crucible, and the use flexibility and effect are further improved.
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Description

Technical Field

[0001] This utility model relates to the field of photovoltaic silicon wafer processing technology, and in particular to a convenient quartz crucible fixture. Background Technology

[0002] Quartz crucible clamps are essential tools in the photovoltaic industry for fixing and handling quartz crucibles. They play a crucial role in the production of photovoltaic silicon wafers. Their main function is to securely hold the quartz crucible at high temperatures, ensuring safety and efficiency during wafer production. With the continued development of the photovoltaic industry, the demand for quartz crucibles is rapidly increasing.

[0003] To meet market demand, domestic quartz crucible manufacturers are continuously expanding their production scale, and the design and manufacturing of quartz crucible clamps are paying increasing attention to material selection, structural optimization, and functional improvement.

[0004] A Chinese patent with publication number CN203877738U discloses a novel crucible lifting device, which has a lifting claw assembly and a sleeve assembly. The lifting claw assembly includes a disc and is sturdy and reliable. The crucible is subjected to very little compressive force when being lifted, so it will not be damaged by pressure, thus extending the service life of the crucible. Moreover, it does not require waiting for the furnace to cool down before lifting, which greatly shortens non-production time, improves efficiency, and reduces production costs.

[0005] Based on the above, the inventor believes that the above-mentioned technical structure has too many components, is too complicated to manufacture, and cannot be adapted to quartz crucibles of different sizes. Manufacturers need to invest more funds to purchase various sizes of fixtures, which increases costs. Utility Model Content

[0006] The purpose of this invention is to provide a convenient quartz crucible fixture with an optimized clamping structure that adapts to the crucible and can be used with quartz crucibles of different sizes.

[0007] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a convenient quartz crucible fixture, including a fixture top seat, a chuck, and a fixture base;

[0008] The top of the chuck is mounted on the top seat of the fixture. The chucks are symmetrically arranged on the outside of the top seat of the fixture. The base of the fixture is fixedly connected to the bottom of the chucks. The base of the fixture has a semi-circular structure.

[0009] The fixture top seat includes a base body and a mounting slot, with the mounting slot being formed on the base body.

[0010] A further feature of this invention is that the claw includes a vertical frame and a reinforcing frame, the top of the vertical frame is rotatably connected to the mounting groove, the vertical frames are spaced at two intervals, and adjacent vertical frames are fixed together by the reinforcing frame.

[0011] By adopting the above technical solution, the vertical frames connected by the reinforcing frame can maintain the same stress condition so that they can move synchronously.

[0012] A further feature of this invention is that mounting holes are provided at the connection points between the vertical frame and the mounting groove.

[0013] By adopting the above technical solution, the screw and nut are inserted into the mounting hole through the installation.

[0014] A further feature of this invention is that a groove is provided at the bottom of the vertical frame, and the outer side of the fixture base is inserted into the groove.

[0015] By adopting the above technical solution, the installation stability of the fixture base is improved.

[0016] A further feature of this invention is that a fastening component is provided on the outer side of the fixture base.

[0017] By adopting the above technical solution, the reliability is improved by fastening the components.

[0018] A further feature of this invention is that the fastening assembly includes a fastening block and a bolt hole, the fastening block is fixed to the outside of the fixture base, and the bolt hole is located on the fastening block.

[0019] By adopting the above technical solution, the clamping force of the fixture base on the quartz crucible is improved.

[0020] A further feature of this invention is that a nylon ring is fixedly provided on the inner wall of the fixture base.

[0021] By adopting the above technical solution, the contact protection of the quartz crucible surface is improved.

[0022] A further feature of this invention is that the outer side of the fixture base is provided with an adapter hole, and an adapter is slidably disposed in the adapter hole. The adapter includes a moving plate and a positioning component.

[0023] By adopting the above technical solution, the clamping flexibility of quartz crucibles of different sizes is improved.

[0024] A further feature of this invention is that the movable plate includes an adapter plate and a positioning groove, the adapter plate slides in conjunction with the inner wall of the adapter hole, and the positioning groove is arranged in an array on the adapter plate.

[0025] By adopting the above technical solution, a nylon block can be fixed inside the adapter plate by contacting the surface of the quartz crucible.

[0026] A further feature of this invention is that the positioning component includes a mounting frame, a positioning plate, and a configuration block. The outer wall of the mounting frame is fixed to the fixture base, the positioning plate is slidably mounted on the mounting frame, and the bottom end of the positioning plate is inserted into the positioning groove. The configuration block is fixed to the outer side of the positioning plate.

[0027] By adopting the above technical solution, the positioning plate can maintain a downward trend after being subjected to gravity.

[0028] The beneficial effects of this utility model are:

[0029] It can firmly grip the bottom of the crucible, enabling lifting and disassembly operations. Meanwhile, its simple mechanical structure allows operators to control the opening and closing of the jaws for easier equipment operation, improving operability. It is also robust and reliable, preventing damage from pressure and extending the crucible's lifespan. Lifting can be performed without waiting for the furnace to cool down, significantly reducing non-productive time, increasing efficiency, and lowering production costs. Furthermore, the clamping range can be increased to accommodate different crucible sizes, further enhancing flexibility and effectiveness. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0031] Figure 1 A schematic diagram of the structure of a convenient quartz crucible fixture provided for an embodiment of this utility model;

[0032] Figure 2 This is a schematic diagram of the structure of the fixture top seat in an embodiment of this utility model;

[0033] Figure 3 This is a schematic diagram of the structure of a second embodiment of the crucible fixture in this utility model.

[0034] Figure 4 This is a schematic diagram of the structure of the adaptable parts in the embodiments of this utility model.

[0035] In the diagram, 1. Fixture top seat; 2. Clamping claw; 3. Fixture base; 4. Nylon ring; 5. Fastening assembly; 6. Adapter; 11. Base; 12. Mounting slot; 21. Vertical frame; 22. Reinforcing frame; 23. Mounting hole; 24. Groove; 51. Fastening block; 52. Bolt hole; 61. Adapter hole; 62. Adapter plate; 63. Positioning slot; 64. Mounting frame; 65. Positioning plate; 66. Configuration block. Detailed Implementation

[0036] The technical solution of this utility model will now be clearly and completely described with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0037] Example 1

[0038] This utility model embodiment specifically provides a convenient quartz crucible fixture. Please refer to... Figure 1 It includes a jig top seat 1, a chuck 2, and a jig base 3.

[0039] The top of the chuck 2 is mounted on the top seat 1 of the fixture. The chuck 2 is symmetrically arranged on the outside of the top seat 1 of the fixture. The fixture base 3 is fixedly connected to the bottom of the chuck 2. The fixture base 3 has a semi-circular structure. Through the semi-circular outline of the fixture base 3 and the opening and closing of the fixture base 3, it is convenient to contact and clamp with the outer wall of the quartz crucible, so as to meet the fixing requirements of crucibles of different sizes.

[0040] In practice, the fixture top seat 1 includes a seat body 11 and a mounting groove 12. The mounting groove 12 is formed on the seat body 11 and is used to install the claw 2.

[0041] Further, please refer to Figure 2 The claw 2 includes a vertical frame 21 and a reinforcing frame 22. The top of the vertical frame 21 is rotatably connected to the mounting groove 12. The vertical frames 21 are provided at intervals of two. Adjacent vertical frames 21 are fixed together by the reinforcing frame 22, so that the vertical frames 21 connected by the reinforcing frame 22 can maintain the same force and move synchronously to reliably drive the fixture base 3.

[0042] The vertical frame 21 and the mounting groove 12 are connected by mounting holes 23. The mounting screw and nut can be inserted into the mounting hole 23. During installation, after the screw is inserted into the mounting hole 23, it is inserted into the top of all the vertical frames 21, and then the nuts are screwed on both ends of the screw.

[0043] The vertical frame 21 is rotated and installed in the mounting groove 12, so that when the base 1 is assembled with the mechanical equipment, the mechanical equipment can drive the vertical frames 21 on the left and right sides to rotate, thereby driving the fixture base 3 to move closer or further apart, thus clamping the crucible.

[0044] During implementation, the chuck 2 and the fixture base 3 can be quickly removed from the mounting hole 23 using screws and nuts, allowing for advance replacement and adjustment according to different crucible sizes, and quick adaptation to different quartz crucibles.

[0045] The bottom end of the vertical frame 21 is provided with a groove 24, and the outer side of the fixture base 3 is inserted into the groove 24. The groove 24 can increase the installation contact area between the fixture base 3 and the vertical frame 21, thereby improving the installation stability of the fixture base 3.

[0046] Furthermore, a fastening component 5 is provided on the outer side of the fixture base 3. When the crucible needs to be clamped for a longer period of time, the fastening component 5 can be used to improve the firmness.

[0047] Specifically, the fastening component 5 includes a fastening block 51 and a bolt hole 52. The fastening block 51 is fixed to the outside of the fixture base 3. The fastening block 51 is located at adjacent positions of the two fixture bases 3. The bolt hole 52 is opened on the fastening block 51. When the two fixture bases 3 clamp the crucible, the adjacent bolt holes 52 can be used to make the two fastening blocks 51 fit together through the assembly action of bolts and nuts, thereby improving the clamping strength of the fixture base 3 on the quartz crucible.

[0048] The fixture base 3 has a nylon ring 4 fixedly installed on its inner wall. The nylon ring improves the contact protection of the quartz crucible surface and the stability of the applied force.

[0049] Example 2

[0050] This utility model embodiment specifically provides a convenient quartz crucible fixture, which differs from Embodiment 1. Please refer to [reference needed]. Figure 3 and Figure 4 The fixture base 3 has an adapter hole 61 on its outer side. There are two or more adapter holes 61 arranged in a circumferential array on the fixture base 3. An adapter 6 is slidably arranged in the adapter hole 61. The adapter 6 includes a moving plate and a positioning component. Through the cooperation of the moving plate and the positioning component, the inner end of the moving plate can be moved into the inner wall of the fixture base 3, thereby changing the inner diameter of the fixture base 3 and improving the flexibility of clamping quartz crucibles of different sizes.

[0051] Specifically, the movable plate includes an adapter plate 62 and a positioning groove 63. The adapter plate 62 slides with the inner wall of the adapter hole 61. The positioning groove 63 is arranged in an array on the adapter plate 62. There are two or more positioning grooves at intervals along the length of the adapter plate 62. The inner end of the adapter plate 62 can slide out of the inner wall of the fixture base 3 to contact the surface of the quartz crucible. A nylon block can be fixed to the inner end of the adapter plate 62 to improve the contact protection effect with the crucible surface.

[0052] The positioning components include a mounting frame 64, a positioning plate 65, and a configuration block 66. The outer wall of the mounting frame 64 is fixed to the fixture base 3. The positioning plate 65 is slidably mounted on the mounting frame 64, and the bottom end of the positioning plate 65 is inserted into the positioning groove 63. The configuration block 66 is fixed to the outer side of the positioning plate 65. The counterweight block 66 is a metal block with a certain weight, which allows the positioning plate 65 to maintain a downward tendency under gravity. Thus, when it is necessary to change the clamping size of the quartz crucible, the adapter plate 62 can be slid back and forth, and then the bottom end of the positioning plate 65 can be inserted into the shifted positioning groove 63, so that the adapter plate 62 can be fixed to clamp the quartz crucible.

[0053] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A convenient quartz crucible fixture, characterized in that: It includes a jig top seat (1), a chuck (2), and a jig base (3); The top of the chuck (2) is mounted on the top seat (1) of the fixture. The chuck (2) is arranged symmetrically on the outside of the top seat (1) of the fixture. The fixture base (3) is fixedly connected to the bottom of the chuck (2). The fixture base (3) has a semi-circular structure. The fixture top seat (1) includes a seat body (11) and a mounting groove (12), with the mounting groove (12) being formed on the seat body (11).

2. The convenient quartz crucible fixture according to claim 1, characterized in that: The claw (2) includes a vertical frame (21) and a reinforcing frame (22). The top of the vertical frame (21) is rotatably connected to the mounting groove (12). The vertical frames (21) are provided at two intervals, and adjacent vertical frames (21) are fixed together by the reinforcing frame (22).

3. The convenient quartz crucible fixture according to claim 2, characterized in that: Mounting holes (23) are provided at the connection between the vertical frame (21) and the mounting groove (12).

4. The convenient quartz crucible fixture according to claim 3, characterized in that: The bottom end of the vertical frame (21) is provided with a groove (24), and the outer side of the fixture base (3) is inserted into the groove (24).

5. A convenient quartz crucible fixture according to claim 4, characterized in that: A fastening component (5) is provided on the outside of the fixture base (3).

6. A convenient quartz crucible fixture according to claim 5, characterized in that: The fastening assembly (5) includes a fastening block (51) and a bolt hole (52). The fastening block (51) is fixed to the outside of the fixture base (3), and the bolt hole (52) is opened on the fastening block (51).

7. A convenient quartz crucible fixture according to claim 6, characterized in that: A nylon ring (4) is fixedly provided on the inner wall of the fixture base (3).

8. A convenient quartz crucible fixture according to claim 6, characterized in that: The fixture base (3) has an adapter hole (61) on its outer side, and an adapter (6) is slidably disposed in the adapter hole (61). The adapter (6) includes a moving plate and a positioning component.

9. A convenient quartz crucible fixture according to claim 8, characterized in that: The movable plate includes an adapter plate (62) and a positioning groove (63). The adapter plate (62) slides with the inner wall of the adapter hole (61), and the positioning groove (63) is arranged in an array on the adapter plate (62).

10. A convenient quartz crucible fixture according to claim 9, characterized in that: The positioning component includes a mounting frame (64), a positioning plate (65), and a configuration block (66). The outer wall of the mounting frame (64) is fixed to the fixture base (3). The positioning plate (65) is slidably mounted on the mounting frame (64), and the bottom end of the positioning plate (65) is inserted into the positioning groove (63). The configuration block (66) is fixed to the outer side of the positioning plate (65).

Citation Information

Patent Citations

  • Novel crucible lifting appliance

    CN203877738U