Automatic charging device for Czochralski silicon re-feeding cylinder

Abstract

The utility model discloses an automatic charging device for a Czochralski single crystal silicon re-feeding cylinder, and relates to the technical field of accessories for Czochralski single crystal furnaces. The device comprises a base, a support frame, a storage box, a discharge port and a guide frame, the device comprises a material guide mechanism, a rotating plate and a vibrating plate, a convex block is welded to one end of the vibrating plate, and an extrusion block is arranged below the convex block. According to the utility model, the material guide mechanism is arranged; by arranging the multiple sets of rotating plates and forming the V-shaped grooves between the adjacent rotating plates, quantitative discharging is conducted on materials stored in the material storage box, meanwhile, the situation that the materials are blocked in the discharging process is avoided, an extrusion block is driven to rotate through the same power source, then a vibration plate is repeatedly vibrated, and the discharging efficiency is improved. Materials accumulated at the top end of the vibration plate can be separated from the chippings conveniently, subsequent machining treatment of the materials is guaranteed, the separated chippings are collected in a centralized mode through the collecting box, and subsequent centralized treatment of the chippings is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of accessories used in a CZ single crystal furnace, in particular to an automatic charging device for a CZ single crystal silicon re-throwing cylinder. Background Art

[0002] Single crystal silicon usually refers to a substance formed by silicon atoms in an arranged form. Silicon is the most common and widely used semiconductor material. When the molten silicon solidifies, the silicon atoms are arranged in a diamond lattice to form crystal nuclei, which grow into grains with the same crystal plane orientation to form single crystal silicon. As a relatively active non-metallic element crystal, single crystal silicon is an important component of crystalline materials and is at the forefront of the development of new materials. The manufacturing of single crystal silicon materials goes through the following process: quartz sand-metallurgical grade silicon-purification and refining-deposition of polycrystalline silicon ingots-single crystal silicon-silicon wafer cutting. Its main uses are as semiconductor materials and the use of solar photovoltaic power generation and heating.

[0003] At present, in the production of direct-pull single crystal silicon rods, the purpose of stabilizing the input cost is achieved by pulling single crystals by adopting a multiple-re-throwing method. Before the silicon material is placed in the storage box, the silicon material is worn due to mutual collision during transportation, and the wear and tear produces debris. Static electricity is generated under the action of the mutual collision of the silicon material, which causes the debris to be adsorbed on the surface of the silicon material. The silicon material with debris adhered to the surface reduces the crystallization rate of the silicon material single crystal during processing, thereby increasing the processing cost of the silicon material. For this purpose, an automatic loading device for a direct-pull single crystal silicon re-throwing cylinder is provided. Utility Model Content

[0004] The purpose of the utility model is to provide an automatic loading device for a direct-pull single crystal silicon re-feeding drum, so as to solve the problem raised in the above background technology that electrostatic effect is generated due to mutual collision of silicon materials during transportation, and the debris generated by the collision adheres to the surface of the silicon material due to the electrostatic effect, thereby affecting the subsequent single crystal formation rate of the silicon material.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic loading device for a direct-pull single crystal silicon re-throwing cylinder, comprising a base, a support frame is fixed to the top of the base by bolts, a storage box is fixed to the top of the support frame by bolts, a discharge port is welded to the bottom end of the storage box, and a material guide frame is arranged at one end of the base; a material guide mechanism, the material guide mechanism is arranged on one side of the base, and the material guide mechanism extends to the inside of the discharge port, the material guide mechanism is used to filter debris adhering to the surface of the material, and the material guide mechanism is used to quantitatively guide the material to avoid blockage in the discharge port, the material guide mechanism includes a rotating plate arranged inside the discharge port, the top of the base is rotatably connected to a vibration plate, the vibration plate is located below the discharge port, a protrusion is welded to one end of the vibration plate, and an extrusion block is arranged below the protrusion.

[0006] Preferably, a driving motor is provided on one side of the support frame, a motor seat is fixed to the bottom end of the driving motor by bolts, and one side of the motor seat is fixedly connected to the outer wall of the support frame by bolts.

[0007] Preferably, the output end of the driving motor is connected to a first synchronous wheel via a coupling, one end of the first synchronous wheel is fixedly connected to a rotating rod, the rotating rod passes through the support frame and reaches the inside of the discharge port, and the rotating rod is rotatably connected to the support frame and the inner wall of the discharge port via a bearing.

[0008] Preferably, a plurality of evenly distributed rotating plates are fixed to the outer wall of the rotating rod by bolts, and a "V"-shaped groove is formed between adjacent rotating plates.

[0009] Preferably, a synchronous belt is meshed on the outer wall of the first synchronous wheel, a second synchronous wheel is meshed on the inner wall of the synchronous belt, and the second synchronous wheel is located at one end of the first synchronous wheel.

[0010] Preferably, a rotating column is fixed to one side of the second synchronous wheel by bolts, the outer wall of the rotating column is connected to the extrusion block by bolts, the outer wall of the rotating column is connected to a support seat by a bearing, and the bottom end of the support seat is fixedly connected to the top end of the base by bolts.

[0011] Preferably, a filter plate is provided on the inner wall of the vibration plate, and the filter plate is located directly below the discharge port, and a through groove is opened inside the base, and the through groove is located directly below the filter plate.

[0012] Preferably, a collection box is provided below the base, and the collection box is located directly below the through slot.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] By setting up a material guiding mechanism; by setting up multiple groups of rotating plates and forming "V"-shaped grooves between adjacent rotating plates, the material stored in the storage box is quantitatively discharged, and at the same time, the blockage of the material during discharge is avoided. The extrusion block is driven to rotate by the same power source, and then the vibration plate is repeatedly vibrated, which is convenient for separating the material and debris accumulated on the top of the vibration plate, ensuring the subsequent processing of the material, and the separated debris is collected in a centralized manner through a collection box, which is convenient for the subsequent centralized processing of the debris. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 For the utility model Figure 1 A is an enlarged structural diagram;

[0017] Figure 3 This is a structural schematic diagram of another viewing angle of the utility model;

[0018] Figure 4 For the utility model Figure 3 The enlarged structural diagram at B in FIG.

[0019] Figure 5 It is a schematic diagram of the internal structure of the discharge port of the utility model.

[0020] In the figure: 1. base; 101. vibration plate; 1011. bump; 2. support frame; 3. material storage box; 301. discharge port; 4. material guiding mechanism; 401. drive motor; 4011. motor seat; 402. first synchronous wheel; 4021. synchronous belt; 4022. second synchronous wheel; 403. rotating rod; 404. rotating plate; 405. rotating column; 4051. support seat; 406. extrusion block; 5. collection box; 6. material guiding frame. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The following is combined with Figure 1-Figure 5 The utility model is described in further detail.

[0023] See also Figure 1-Figure 5The utility model provides an automatic loading device for a direct-pull single crystal silicon re-throwing cylinder. The automatic loading device for a direct-pull single crystal silicon re-throwing cylinder comprises a base 1, a support frame 2 is fixed to the top of the base 1 by bolts, a storage box 3 is fixed to the top of the support frame 2 by bolts, the support frame 2 is used to support the storage box 3, the storage box 3 is used to store materials, a discharge port 301 is welded to the bottom end of the storage box 3, the discharge port 301 is used to guide the material out of the inside of the storage box 3, a material guide frame 6 is arranged at one end of the base 1, and the material guide frame 6 is used to guide the material; a material guide mechanism 4, the material guide mechanism 4 is arranged on one side of the base 1, and the material guide mechanism 4 is arranged on one side of the base 1, and the material guide mechanism 4 is arranged on the The mechanism 4 extends to the inside of the discharge port 301, and the material guiding mechanism 4 is used to filter the debris adhering to the surface of the material, and the material guiding mechanism 4 is used to quantitatively guide the material to avoid blockage in the discharge port 301. The material guiding mechanism 4 includes a rotating plate 404 arranged inside the discharge port 301, and the top of the base 1 is rotatably connected with the vibration plate 101, and the vibration plate 101 is located below the discharge port 301. A protrusion 1011 is welded to one end of the vibration plate 101, and an extrusion block 406 is arranged below the protrusion 1011. The extrusion block 406 is used to move the protrusion 1011 and the vibration plate 101 to vibrate, and the rotating plate 404 is used for quantitatively guiding the material;

[0024] A driving motor 401 is provided on one side of the support frame 2, and a motor seat 4011 is fixed to the bottom end of the driving motor 401 by bolts, and one side of the motor seat 4011 is fixedly connected to the outer wall of the support frame 2 by bolts, and the motor seat 4011 is used to support the driving motor 401, and the driving motor 401 is used to provide power to the device as a whole; the output end of the driving motor 401 is connected to the first synchronous wheel 402 through a coupling, and one end of the first synchronous wheel 402 is fixedly connected to a rotating rod 403, and the rotating rod 403 passes through the support frame 2 and reaches the inside of the discharge port 301, and the rotating rod 403 The movable rod 403 is rotatably connected to the support frame 2 and the inner wall of the discharge port 301 through a bearing. The rotation of the output end of the driving motor 401 can drive the first synchronous wheel 402 to rotate, and the rotation of the first synchronous wheel 402 drives the rotating rod 403 to rotate; the outer wall of the rotating rod 403 is fixed with a plurality of evenly distributed rotating plates 404 by bolts, and a "V"-shaped groove is formed between adjacent rotating plates 404. The rotation of the rotating rod 403 can drive the plurality of evenly distributed rotating plates 404 to rotate, and the material in the storage box 3 slides into the "V"-shaped groove and is discharged from the discharge port 301 through rotation;

[0025] The outer wall of the first synchronous wheel 402 is meshed with a synchronous belt 4021, and the inner wall of the synchronous belt 4021 is meshed with a second synchronous wheel 4022. The second synchronous wheel 4022 is located at one end of the first synchronous wheel 402. The rotation of the first synchronous wheel 402 can drive the synchronous belt 4021 to rotate, and the rotation of the synchronous belt 4021 can drive the second synchronous wheel 4022 to rotate; a rotating column 405 is fixed to one side of the second synchronous wheel 4022 by bolts, and the outer wall of the rotating column 405 is connected to the extrusion block 406 by bolts. The outer wall of the rotating column 405 is connected to the support seat 4051 through a bearing, and the bottom end of the support seat 4051 is fixedly connected to the top of the base 1 by bolts. The support seat 40 51 is used to support the rotating column 405. The rotation of the second synchronous wheel 4022 can drive the rotating column 405 to rotate. The rotation of the rotating column 405 can drive the extrusion block 406 to rotate, and then the extrusion protrusion 1011 moves upward; the inner wall of the vibration plate 101 is provided with a filter plate, and the filter plate is located directly below the discharge port 301, and a through groove is opened inside the base 1, and the through groove is located directly below the filter plate. The filter plate is convenient for filtering debris adhered to the surface of the material, and the through groove facilitates the debris to fall to the bottom of the base 1; a collecting box 5 is provided below the base 1, and the collecting box 5 is located directly below the through groove. The collecting box 5 is used to collect debris adhered to the surface of the material, so as to facilitate subsequent overall processing.

[0026] Working principle: firstly, the material is placed inside the material storage box 3, and then the driving motor 401 is controlled to work. The output end of the driving motor 401 rotates to drive the first synchronous wheel 402 to rotate, and the first synchronous wheel 402 rotates and drives the rotating rod 403 to rotate. The rotating rod 403 rotates to drive the rotating plate 404 to rotate. After entering the material storage box 3, the material slides downward and accumulates in the "V"-shaped groove. The rotating plate 404 rotates and guides the material in the "V"-shaped groove to the bottom of the discharge port 301. The guided material accumulates on the top of the vibration plate 101. The rotating plate 404 is guided by rotation to avoid the material blocking the discharge port 301, thereby ensuring the fluidity of the discharge port 301.

[0027] Afterwards, the first synchronous wheel 402 rotates and drives the synchronous belt 4021 to rotate at the same time, the synchronous belt 4021 rotates and drives the second synchronous wheel 4022 to rotate, the second synchronous wheel 4022 rotates and drives the rotating column 405 to rotate, the rotating column 405 rotates and drives the extrusion block 406 to rotate, the extrusion block 406 rotates and squeezes the bottom end of the protrusion 1011, thereby driving the protrusion 1011 to rotate upward, the protrusion 1011 rotates and drives the vibration plate 101 to rotate, at this time the vibration plate 101 rotates and tilts, the material moves toward the top of the guide frame 6, after the extrusion block 406 separates from the bottom end of the protrusion 1011, the protrusion 1011 and the vibration plate 101 reset and rotate under the action of gravity, at this time the debris adhering to the surface of the material is guided to the inside of the collection box 5 by the filter plate and the through groove;

[0028] Finally, by setting the rotating plates 404 into multiple groups and forming "V"-shaped grooves between adjacent rotating plates 404, the material stored in the storage box 3 is quantitatively discharged, and at the same time, it also avoids the situation that the material is blocked during the discharge. The extrusion block 406 is driven to rotate by the same power source, and then the vibration plate 101 is repeatedly vibrated, so that the material accumulated on the top of the vibration plate 101 is separated from the debris, ensuring the subsequent processing of the material, and the separated debris is collected by the collection box 5, which is convenient for the subsequent centralized processing of the debris.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An automatic loading device for a CZ silicon single crystal re-throwing cylinder, characterized in that: include: A base (1), a support frame (2) is fixed to the top of the base (1) by bolts, a material storage box (3) is fixed to the top of the support frame (2) by bolts, a discharge port (301) is welded to the bottom of the material storage box (3), and a material guide frame (6) is provided at one end of the base (1); A material guiding mechanism (4), wherein the material guiding mechanism (4) is arranged on one side of the base (1), and the material guiding mechanism (4) extends to the inside of the material outlet (301), and the material guiding mechanism (4) comprises a rotating plate (404) arranged inside the material outlet (301), and the top end of the base (1) is rotatably connected to a vibration plate (101), and the vibration plate (101) is located below the material outlet (301), and a protrusion (1011) is welded to one end of the vibration plate (101), and an extrusion block (406) is arranged below the protrusion (1011).

2. The automatic loading device for a CZ silicon re-feeding drum according to claim 1, characterized in that: A driving motor (401) is provided on one side of the support frame (2); a motor seat (4011) is fixed to the bottom end of the driving motor (401) via bolts; and one side of the motor seat (4011) is fixedly connected to the outer wall of the support frame (2) via bolts.

3. The automatic loading device for a CZ silicon re-throwing drum according to claim 2, characterized in that: The output end of the driving motor (401) is connected to a first synchronous wheel (402) via a coupling, one end of the first synchronous wheel (402) is fixedly connected to a rotating rod (403), the rotating rod (403) passes through the support frame (2) and reaches the inside of the discharge port (301), and the rotating rod (403) is rotatably connected to the support frame (2) and the inner wall of the discharge port (301) via a bearing.

4. The automatic loading device for a CZ silicon re-throwing drum according to claim 3, characterized in that: The outer wall of the rotating rod (403) is fixed with a plurality of evenly distributed rotating plates (404) by means of bolts, and a "V"-shaped groove is formed between adjacent rotating plates (404).

5. The automatic loading device for a CZ silicon re-throwing drum according to claim 4, characterized in that: The outer wall of the first synchronous wheel (402) is meshed with a synchronous belt (4021), the inner wall of the synchronous belt (4021) is meshed with a second synchronous wheel (4022), and the second synchronous wheel (4022) is located at one end of the first synchronous wheel (402).

6. The automatic loading device for a CZ silicon re-throwing drum according to claim 5, characterized in that: A rotating column (405) is fixed to one side of the second synchronous wheel (4022) by bolts, the outer wall of the rotating column (405) is connected to the extrusion block (406) by bolts, the outer wall of the rotating column (405) is connected to a support seat (4051) by a bearing, and the bottom end of the support seat (4051) is fixedly connected to the top end of the base (1) by bolts.

7. The automatic loading device for a CZ silicon re-feeding drum according to claim 1, characterized in that: The inner wall of the vibration plate (101) is provided with a filter plate, and the filter plate is located directly below the discharge port (301); and a through groove is opened inside the base (1), and the through groove is located directly below the filter plate.

8. The automatic loading device for a CZ silicon re-throwing drum according to claim 7, characterized in that: A collection box (5) is provided below the base (1), and the collection box (5) is located directly below the through slot.

Images