Splash-proof silicon feeder
By designing a splash-proof silicon feeder, the flip-up and sealing improvement of the feeder baffle are controlled by lifting rods, the problem of silicon liquid splashing during the re-injection of the single crystal furnace is solved, and the growth quality of the single crystal silicon rod and the use effect of the feeder are improved.
Patent Information
- Application Number
- CN202422337872.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-25
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-09-25
AI Technical Summary
During the re-injection process of single crystal furnace, the silicon liquid splashed and attached to the inner wall of the hot screen due to factors such as the crucible position, the uneven size of the material block, and the unskilled employee feeding techniques, which affected the growth quality of the crystal rod.
A splash-proof silicon feeder is designed. By setting a feeder baffle and an inclined connecting support block on the feeder device body, the downward and pull-up action of the lifting rod is used to change the flip angle of the baffle, opening and closing, preventing the splash of silicon powder and silicon liquid, and improving the sealing sealing ability through the inclined connecting support block and the extruded inner slope block.
Effectively reduce the phenomenon of crystal rod slag-feeding and disconnecting, improve the growth quality of single crystal silicon rods, enhance the practicality and sealing of feeders, and prevent the splash of silicon powder and silicon liquid.
Smart Images

Figure CN223201962U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field related to the production of single crystal silicon, and particularly relates to a splash-proof silicon feeder. Background Art
[0002] During the current single crystal furnace recharging process, factors such as the crucible being placed too far away, uneven material size, and unskilled loading techniques can cause silicon liquid to splash onto the inner wall of the heat shield. During the crystal pulling process, if silicon particles fall into the crucible, they can disrupt the molecular order of the single crystal, causing the ingot to slag and break.
[0003] Aiming at the above problems, an improvement is made, specifically relating to a splash-proof silicon feeder. Utility Model Content
[0004] The purpose of the utility model is to provide a splash-proof silicon feeder to solve the problem raised in the above-mentioned background technology that during the current single crystal furnace recharging process, the silicon liquid may splash and eventually adhere to the inner wall of the heat shield due to factors such as the crucible being placed too far away, the size of the material blocks being uneven, and the employees being unskilled in feeding techniques.
[0005] To achieve the above object, the utility model provides the following technical solutions: a splash-proof silicon feeder, comprising a feeder device body and a discharge port provided at a side position of the feeder device body near the bottom;
[0006] An external connecting auxiliary ring is provided at the side position of the feeder device body, a lifting rod is connected to the middle position of the external connecting auxiliary ring, a rod buckle joint is provided at the bottom position of the lifting rod, a buckle connection groove is provided at the middle position of the rod buckle joint, a connecting pin column is provided at the middle position of the buckle connection groove, a feeder baffle is provided at the side position of the connecting pin column, and an inclined connection support block is provided on the side of the feeder baffle and on the feeder device body. When the lifting rod is pressed down, the feeder baffle flipping angle is increased and it is in an open state due to the action of the inclined connection support block. When the lifting rod is pulled up, the feeder baffle flipping angle is reduced and it tends to be in a closed state.
[0007] Preferably, the feeder baffle and the connecting pin column are an integrated structure, and the feeder baffle is connected to the pull rod buckle joint by plugging and rotating the connecting pin column.
[0008] Preferably, a connecting bar is provided at the upper end of the inclined surface connection support block, and the inclined surface connection support block and the connecting bar are an integrated structure.
[0009] Preferably, a movable groove is provided at the outer side of the connecting bar block, and the inner diameter of the movable groove is equal to the outer diameter of the connecting bar block.
[0010] Preferably, an extruded inner-shrink slope block is provided at the upper end of the connecting bar block, and the extruded inner-shrink slope block is a slope structure with a downward slope. The extruded inner-shrink slope block is connected to the feeder device body through a connecting telescopic spring body provided at its inner side surface.
[0011] Preferably, a connecting extrusion support slope block is provided at the side of the lifting rod, the slope of the connecting extrusion support slope block is upward and opposite to the extrusion inward shrinkage slope block, and the connecting extrusion support slope block is connected to the lifting rod by welding.
[0012] Preferably, a discharging inclined slope is provided at the bottom of the discharging port, and the discharging inclined slope and the feeder device body are an integrated structure.
[0013] Preferably, a lifting main rod body is provided at the top end of the lifting rod, and the lifting main rod body and the four lifting rods are an integrated structure.
[0014] Compared with the prior art, the present invention provides a splash-proof silicon feeder with the following beneficial effects:
[0015] 1. In the splash-proof silicon feeder, an external connecting auxiliary ring is provided at the side of the feeder device body, a lifting rod is connected at the middle position of the external connecting auxiliary ring, a rod buckle joint is provided at the bottom position of the lifting rod, a buckle connection groove is provided at the middle position of the rod buckle joint, a connecting pin column is provided at the middle position of the buckle connection groove, a feeder baffle is provided at the side of the connecting pin column, an inclined connecting support block is provided on the side of the feeder baffle and on the feeder device body, when the lifting rod is pressed down, the feeder will be The baffle flip angle is increased and it is in the open state. When the lifting rod is pulled up, the feeder baffle flip angle is reduced so that it tends to be in the closed state. The opening function of the feeder baffle is achieved by the angle of the inclined connection support block, and the closing of the feeder baffle is achieved by the gravity when the lifting rod is raised; when the bottom bowl is in the closed state, the feeder baffle is attached to the outer wall of the feeder device body without changing the height of the feeder device body itself. The improvement of the utility model can effectively reduce the occurrence of crystal rod slag breakage, and is used to prevent silicon powder and silicon liquid from splashing during feeding, thereby improving the growth quality of single crystal silicon rods.
[0016] 2. In the splash-proof silicon feeder, an extrusion inner shrinkage slope block is provided at the upper end position of the connecting bar block, and the extrusion inner shrinkage slope block is a slope structure with a downward slope, and the extrusion inner shrinkage slope block is connected to the feeder device body by a connecting telescopic spring body provided at the inner side position thereof, and a connecting extrusion support slope block is provided at the side position of the lifting rod, and the slope of the connecting extrusion support slope block is upward and opposite to the extrusion inner shrinkage slope block, and the connecting extrusion support slope block is connected to the lifting rod by welding. When in use, the feeder baffle is not tightly closed due to the effect of the inclined surface connection support block. After the improvement of the utility model, the extrusion inner shrinkage slope block will be squeezed and retracted when the lifting rod is pulled up, driving the inclined surface connection support block to retract, which can effectively make its closed sealing better, thereby effectively improving the practicality of the splash-proof silicon feeder. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the overall structure of the splash-proof silicon feeder of the present utility model.
[0018] Figure 2 This is a structural diagram of the splash-proof silicon feeder at position A of the present invention.
[0019] Figure 3 This is a structural diagram of the splash-proof silicon feeder at position B of the present invention.
[0020] Figure 4 This is a schematic diagram of the partial cross-sectional structure of the splash-proof silicon feeder at position B of the present invention.
[0021] In the figure: 1. Feeder device body; 2. Lifting rod; 3. Lifting main rod body; 4. Pull rod buckle joint; 5. Feeder baffle; 6. Discharge port; 7. Discharge inclined slope; 8. Buckle connection groove; 9. Connecting pin column; 10. Inclined connection support block; 11. Connecting extrusion support slope block; 12. Extrusion inward contraction slope block; 13. Connecting telescopic spring body; 14. Connecting bar block; 15. Moving bar groove; 16. External connecting auxiliary ring. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0023] The utility model provides Figure 1-4As shown, a splash-proof silicon feeder comprises a feeder device body 1 and a discharge port 6 arranged at a side position of the feeder device body 1 near the bottom; an external connecting auxiliary ring 16 is arranged at the side position of the feeder device body 1, a lifting rod 2 is connected at the middle position of the external connecting auxiliary ring 16, a pull rod buckle joint 4 is arranged at the bottom position of the lifting rod 2, a buckle connection groove 8 is arranged at the middle position of the pull rod buckle joint 4, a connecting pin column 9 is arranged at the middle position of the connecting pin column 9, a feeder baffle 5 is arranged and connected at the side position of the connecting pin column 9, and the feeder baffle 5 and is provided with an inclined connecting support block 10 on the side of the feeder device body 1. When the lifting rod 2 is pressed down, the action of the inclined connecting support block 10 will increase the flipping angle of the feeder baffle 5 and put it in an open state. When the lifting rod 2 is pulled up, the flipping angle of the feeder baffle 5 is reduced, so that it tends to be in a closed state. The feeder baffle 5 is attached to the outer wall of the feeder device body 1 and does not change the height of the feeder device body 1 itself. The improvement of the utility model can effectively reduce the occurrence of crystal rod slag breakage, and is used to prevent silicon powder and silicon liquid from splashing during feeding, thereby improving the growth quality of single crystal silicon rods.
[0024] like Figure 2 As shown, the feeder baffle 5 and the connecting pin column 9 are an integrated structure. The feeder baffle 5 is connected to the pull rod buckle joint 4 by plugging and rotating the connecting pin column 9. The feeder baffle 5 is installed and connected to the pull rod buckle joint 4 by plugging the connecting pin column 9. The connection method is simple, convenient and fast, which can improve the installation efficiency.
[0025] like Figure 4 As shown, a connecting bar 14 is provided at the upper end position of the inclined connecting support block 10. The inclined connecting support block 10 and the connecting bar 14 are an integrated structure. A movable groove 15 is provided at the outer position of the connecting bar 14. The inner diameter of the movable groove 15 is equal to the outer diameter of the connecting bar 14. An extruded inner shrinkage surface block 12 is provided at the upper end position of the connecting bar 14. The extruded inner shrinkage surface block 12 is a slope structure with a downward slope. The extruded inner shrinkage surface block 12 is connected to the feeder device body 1 through a connecting telescopic spring body 13 provided at the inner side position thereof. The side position of the lifting rod 2 A connecting extrusion support slope block 11 is provided, and the slope surface of the connecting extrusion support slope block 11 is upward and opposite to the extrusion inward shrinkage slope block 12. The connecting extrusion support slope block 11 is connected to the lifting rod 2 by welding. When in use, due to the action of the inclined connecting support block 10, it is easy to cause the feeder baffle 5 to be not tightly closed. After the improvement of the utility model, when the lifting rod 2 is pulled up, the extrusion inward shrinkage slope block 12 will be squeezed and retracted, driving the inclined connecting support block 10 to retract, which can effectively make its closed sealing better, thereby effectively improving the practicality of the splash-proof silicon feeder.
[0026] like Figure 1As shown, a discharge inclined slope 7 is provided at the bottom of the discharge port 6. The discharge inclined slope 7 and the feeder device body 1 are an integrated structure. The discharge inclined slope 7 can assist the outflow of materials.
[0027] like Figure 1 As shown, a lifting main rod body 3 is provided at the top position of the lifting rod 2. The lifting main rod body 3 and the four lifting rods 2 are an integrated structure. The setting of the lifting main rod body 3 can drive the four lifting rods 2 to rise together, which is convenient for simultaneous operation of the four lifting rods 2 to rise at the same distance at the same time.
[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A splash-proof silicon feeder, comprising A feeder device body (1) and a discharge port (6) provided on a side of the feeder device body (1) close to the bottom; Its characteristics are: An external connecting auxiliary ring (16) is provided at a side position of the feeder device body (1), a lifting rod (2) is connected to the middle position of the external connecting auxiliary ring (16), a rod buckle joint (4) is provided at the bottom position of the lifting rod (2), a buckle connection groove (8) is provided at the middle position of the rod buckle joint (4), a connecting pin column (9) is provided at the middle position of the buckle connection groove (8), a feeder baffle (5) is provided at a side position of the connecting pin column (9), and an inclined connecting support block (10) is provided on the side of the feeder baffle (5) and located on the feeder device body (1). When the lifting rod (2) is pressed down, the feeder baffle (5) is turned up to an open state due to the action of the inclined connecting support block (10). When the lifting rod (2) is pulled up, the feeder baffle (5) is turned down to a closed state.
2. The splash-proof silicon feeder according to claim 1, characterized in that: The feeder baffle (5) and the connecting latch column (9) are an integrated structure, and the feeder baffle (5) is connected to the pull rod buckle joint (4) by plugging and rotating the connecting latch column (9).
3. The splash-proof silicon feeder according to claim 1, characterized in that: A connecting bar (14) is provided at the upper end of the inclined surface connecting support block (10), and the inclined surface connecting support block (10) and the connecting bar (14) are an integrated structure.
4. The splash-proof silicon feeder according to claim 3, characterized in that: A movable groove (15) is provided at an outer position of the connecting bar block (14), and the inner diameter of the movable groove (15) is equal to the outer diameter of the connecting bar block (14).
5. The splash-proof silicon feeder according to claim 3, characterized in that: An extruded inner-shrinking slope surface block (12) is provided at the upper end of the connecting bar block (14). The extruded inner-shrinking slope surface block (12) is a slope structure with a slope facing downward. The extruded inner-shrinking slope surface block (12) is connected to the feeder device body (1) via a connecting telescopic spring body (13) provided at the inner side surface thereof.
6. The splash-proof silicon feeder according to claim 5, characterized in that: A connecting extrusion support slope block (11) is provided at a side position of the lifting rod (2), the slope of the connecting extrusion support slope block (11) facing upwards and opposite to the extrusion inward shrinkage slope block (12), and the connecting extrusion support slope block (11) is connected to the lifting rod (2) by welding.
7. The splash-proof silicon feeder according to claim 1, characterized in that: A discharge inclined slope (7) is provided at the bottom of the discharge port (6), and the discharge inclined slope (7) and the feeder device body (1) are an integrated structure.
8. The splash-proof silicon feeder according to claim 1, characterized in that: A lifting main rod body (3) is provided at the top end of the lifting rod (2), and the lifting main rod body (3) and the four lifting rods (2) are an integrated structure.