Conductive flexible shaft guide mechanism special for round silicon core
By designing a special conductive soft shaft guide mechanism for round silicon core, the power supply of the crystal-induced motor is achieved by using conductive brushes and conductive shafts, the problem of winding of the power supply cable of the crystal-induced device and the crystal-induced rope is solved, and the equipment stability and production quality are improved.
Patent Information
- Application Number
- CN202421658617.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-13
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-07-13
AI Technical Summary
In existing silicon core drawing equipment, during the lifting process of crystal-induced devices, the power supply cable is easily entangled with the seed crystal rope, affecting the production quality.
A special conductive soft shaft guide mechanism for round silicon core is designed, and the pulling device is driven to move on the traction guide rod through an external driving mechanism, and the power supply of the crystal guide motor is achieved by using a conductive brush and a conductive shaft to avoid the cable and seed rope being wrapped.
It effectively avoids the entanglement of cables and seed ropes, improves the stability and reliability of equipment operation, and improves production quality.
Smart Images
Figure CN222908153U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of silicon core preparation, in particular to a conductive flexible shaft guide mechanism special for round silicon cores. Background Art
[0002] The silicon core preparation technology is to draw the silicon core raw material rod in a round silicon core furnace. In this method, the silicon core raw material rod that meets the requirements needs to be prepared in the round silicon core furnace, and then it is drawn into a round silicon core through a silicon core furnace after roller grinding and cleaning.
[0003] In the existing production equipment, during the silicon core pulling process, when the seeding device is being lifted, the high-temperature resistant shielded cable that supplies power to it usually gets entangled with the seed crystal rope in the seeding device, thereby affecting the production quality. Utility Model Content
[0004] The utility model provides a conductive flexible shaft guide mechanism special for a round silicon core to solve the problems of the prior art.
[0005] The purpose of the utility model can be achieved through the following technical solutions: a conductive flexible shaft guiding mechanism specially used for round silicon cores, comprising: a drawing frame, the drawing frame comprising a base and a traction guide rod arranged on the base, a drawing device is arranged on the traction guide rod, the drawing device comprises a mounting plate slidably arranged on the traction guide rod, a seeding motor arranged on the mounting plate and a seeding assembly arranged at the lower end of the mounting plate, a conductive shaft is arranged on the base, a conductive assembly is arranged on the mounting plate, the conductive assembly comprises a mounting screw arranged on the mounting plate, a conductive brush slidably arranged on the mounting screw and a mounting nut for fixing the conductive brush, one end of the conductive brush is in sliding contact with the conductive shaft, and the other end is electrically connected to the seeding motor.
[0006] As a further improvement, the conductive brushes are provided in multiple groups, and insulating sheets are provided on the upper and lower sides of each group of conductive brushes.
[0007] As a further improvement, the seeding assembly includes a gear transmission mechanism transmission-connected to the seeding motor and a seed crystal rotating rod transmission-connected to the gear transmission mechanism, and the seed crystal rotating rod is provided in a plurality of groups.
[0008] As a further improvement, a heat insulation component is provided below the gear transmission mechanism.
[0009] As a further improvement, the conductive shafts and conductive components are symmetrically arranged in two groups.
[0010] Compared with the prior art, the utility model has the following beneficial effects:
[0011] 1. The utility model drives the drawing device to move on the guiding rod through an external driving mechanism. During the up-and-down movement of the drawing device, the conductive brush electrically connected to the crystal pulling motor makes sliding contact with the conductive shaft, realizing power supply to the crystal pulling motor, effectively avoiding entanglement of the cable and the seed crystal rope in the crystal pulling assembly, thus affecting the production quality, improving the stability of equipment operation, and replacing the traditional power cord to supply power to the crystal pulling motor, enhancing the reliability of the equipment.
[0012] 2. The utility model sets multiple groups of conductive brushes to avoid power supply problems caused by damage of a single conductive brush.
[0013] 3. The utility model realizes synchronous rotation of multiple groups of seed crystal rotating rods through a gear transmission mechanism, meeting the drawing of multiple round silicon cores and improving production efficiency.
[0014] 4. The utility model avoids upward heat radiation through a heat insulation component, prevents thermal deformation of the crystal pulling device mechanism, and at the same time reduces heat loss and plays a heat preservation role in the lower heat field. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is a schematic structural view of the utility model;
[0016] Figure 2 is a schematic structural view of the conductive component of the utility model;
[0017] Figure 3 is a top view of the utility model.
[0018] In the figure, 1. Drawing frame; 11. Base; 12. Guiding rod; 2. Drawing device; 21. Mounting plate; 22. Crystal pulling motor; 23. Crystal pulling assembly; 231. Gear transmission mechanism; 232. Seed crystal rotating rod; 31. Conductive shaft; 32. Conductive component; 321. Mounting screw; 322. Conductive brush; 323. Mounting nut; 324. Insulating sheet; 4. Heat insulation component. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0019] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.
[0020] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0021] The following combines the embodiments and the attached Figures 1 to 3 , and further elaborates on the technical solutions of the present utility model.
[0022] Embodiment 1
[0023] A special conductive flexible shaft guiding mechanism for circular silicon cores, comprising: a drawing frame 1, the drawing frame 1 includes a base 11 and a traction guiding rod 12 provided on the base 11. A drawing device 2 is provided on the traction guiding rod 12. The drawing device 2 includes a mounting plate 21 slidably provided on the traction guiding rod 12, a crystal pulling motor 22 provided on the mounting plate 21, and a crystal pulling assembly 23 provided at the lower end of the mounting plate 21. A conductive shaft 31 is provided on the base 11, and a conductive assembly 32 is provided on the mounting plate 21. The conductive assembly 32 includes a mounting screw 321 provided on the mounting plate 21, a conductive brush 322 slidably provided on the mounting screw 321, and a mounting nut 323 for fixing the conductive brush 322. One end of the conductive brush 322 is in sliding contact with the conductive shaft 31, and the other end is electrically connected to the crystal pulling motor 22.
[0024] As Figures 1 to 3 shown, the present utility model drives the drawing device 2 to move on the traction guiding rod 12 through an external driving mechanism. During the up and down movement of the drawing device 2, the conductive brush 322 electrically connected to the crystal pulling motor 22 is in sliding contact with the conductive shaft 31, realizing power supply to the crystal pulling motor 22, effectively avoiding the entanglement of the cable wire and the seed crystal rope in the crystal pulling assembly 23, and thus affecting the production quality.
[0025] Through the conductive shaft 31 and the conductive assembly 32 for guiding power supply, it not only improves the stability of the equipment operation but also replaces the traditional power cord to realize power supply to the crystal pulling motor 22, improving the reliability of the equipment.
[0026] As a further preferred embodiment, a plurality of groups of the conductive brushes 322 are provided, and insulating sheets 324 are provided on both the upper and lower sides of each group of the conductive brushes 322. By providing a plurality of groups of conductive brushes 322, the power supply problem caused by the damage of a single conductive brush 322 is avoided.
[0027] As a further preferred embodiment, the seed crystal component 23 includes a gear transmission mechanism 231 drivingly connected to the seed crystal motor 22 and a seed crystal rotating rod 232 drivingly connected to the gear transmission mechanism 231. A plurality of groups of the seed crystal rotating rods 232 are provided, and the plurality of groups of seed crystal rotating rods 232 are synchronously rotated through the gear transmission mechanism 231 to meet the drawing of multiple round silicon cores and improve the production efficiency.
[0028] As a further preferred embodiment, a heat insulation component 4 is provided below the gear transmission mechanism 231. The heat insulation component 4 can be made of different materials such as cured felt and graphite, and its thickness can be matched according to different process conditions. The heat insulation component 4 prevents heat from radiating upward, prevents thermal deformation of the seed crystal device mechanism, and at the same time plays a role in reducing heat loss and heat preservation of the lower thermal field.
[0029] As a further preferred embodiment, two groups of the conductive shafts 31 and the conductive components 32 are symmetrically arranged.
[0030] The preferred specific embodiments of the present invention have been described in detail above. It should be understood that those of ordinary skill in the art can make many modifications and variations based on the concept of the present invention without creative work. Therefore, all technical solutions that can be obtained by those skilled in the art in the technical field based on the concept of the present invention through logical analysis, reasoning or limited experiments on the basis of the prior art shall fall within the protection scope determined by the claims.
Claims
1. A conductive flexible shaft guide mechanism for a round silicon core, characterized in that: include: A drawing frame (1), the drawing frame (1) comprising a base (11) and a traction guide rod (12) arranged on the base (11), a drawing device (2) being arranged on the traction guide rod (12), the drawing device (2) comprising a mounting plate (21) slidably arranged on the traction guide rod (12), a seeding motor (22) arranged on the mounting plate (21) and a seeding assembly (23) arranged at the lower end of the mounting plate (21), the base (11) being provided with A conductive shaft (31) is arranged, and a conductive component (32) is arranged on the mounting plate (21). The conductive component (32) comprises a mounting screw (321) arranged on the mounting plate (21), a conductive brush (322) slidably arranged on the mounting screw (321), and a mounting nut (323) for fixing the conductive brush (322). One end of the conductive brush (322) is in sliding contact with the conductive shaft (31), and the other end is electrically connected to the seeding motor (22).
2. A conductive flexible shaft guide mechanism for round silicon cores according to claim 1, characterized in that: The conductive brushes (322) are provided in multiple groups, and insulating sheets (324) are provided on both upper and lower sides of each group of the conductive brushes (322).
3. A conductive flexible shaft guide mechanism for round silicon cores according to claim 1, characterized in that: The seeding assembly (23) comprises a gear transmission mechanism (231) transmission-connected to the seeding motor (22) and a seed crystal rotating rod (232) transmission-connected to the gear transmission mechanism (231), and a plurality of seed crystal rotating rods (232) are provided.
4. A conductive flexible shaft guide mechanism for round silicon cores according to claim 3, characterized in that: A heat insulation component (4) is arranged below the gear transmission mechanism (231).
5. The conductive flexible shaft guide mechanism for round silicon core according to claim 1, characterized in that: The conductive shafts (31) and conductive components (32) are symmetrically arranged in two groups.