A silicon material unloading tool for preventing clogging and improving feeding efficiency

Abstract

The utility model discloses a silicon material unloading tooling for preventing blocking and improving feeding efficiency, comprising a silicon material storage tank, a material vibrator connected to the discharge end of the silicon material storage tank, a partition connected to the lower part of the silicon material storage tank, a feeding shaft rotatably connected to the upper part of the partition in the silicon material storage tank, a spiral fan connected to the feeding shaft, a plurality of groups of feeding shafts, a plurality of openings arranged on the partition, and a solenoid valve connected to the lower part of the partition in the silicon material storage tank. The utility model has the advantages over the prior art in that it provides a silicon material unloading tooling for preventing blocking and improving feeding efficiency, which is stable in unloading, reduces the probability of blocking, and can be used for controllable unloading.

Description

Technical Field

[0001] The utility model relates to the technical field of physical method polysilicon purification, in particular to a silicon material unloading tooling which can prevent clogging and improve feeding efficiency. Background Art

[0002] In the physical purification of polysilicon, the temperature of the silicon liquid in the container reaches 1500-1600 degrees. Under the zone melting process conditions, the feeding efficiency and continuity of the silicon material must be guaranteed;

[0003] If the material is not added in time, the amount of silicon liquid will decrease, causing the pulling speed to slow down and fluctuate, which will affect the weight of the crystal rod. If the material addition is blocked, it will cause the furnace to stop. Utility Model Content

[0004] 1. Problems to be solved

[0005] The technical problem to be solved by the utility model is that when a silicon material storage tank is blocked or slowed down in feeding, or the feeding rate is uncontrollable, the amount of silicon liquid will be affected, thereby affecting the production of crystal rods.

[0006] (II) Technical solution

[0007] In order to solve the above technical problems, the technical solution provided by the utility model is: a silicon material unloading tooling which prevents blocking and improves feeding efficiency, comprising a silicon material storage tank, the discharge end of the silicon material storage tank is connected with a material vibrator, a partition is connected with the lower part of the silicon material storage tank, a feeding shaft is rotatably connected with the upper part of the partition in the silicon material storage tank, a spiral fan blade is connected with the feeding shaft, a plurality of feeding shafts are provided, a plurality of openings are provided on the partition, and a solenoid valve is also connected with the lower part of the partition in the silicon material storage tank.

[0008] As an improvement, the opening diameter is 3-50 mm, and a plurality of openings are evenly arranged on the partition.

[0009] As an improvement, the partition, spiral blades and feeding shaft are all composed of an inner core and an outer structure, the inner core is made of stainless steel, the outer structure is a polytetrafluoroethylene plate, and the outer structure is arranged to cover the inner core.

[0010] As an improvement, a transmission cavity is provided in the top of the silicon material storage tank, and a transmission group connected to the ends of multiple feeding shafts is connected in the transmission cavity. The transmission group includes a driving wheel, a driven wheel one and a driven wheel two that are meshed in sequence. A driving motor is connected to the top of the silicon material storage tank and the driving wheel.

[0011] (III) Beneficial effects

[0012] The advantages of the utility model compared with the prior art are: in the present application, the structure of the silicon material storage tank is improved, and the uniform speed feeding can be conveniently controlled by the cooperation of the additionally installed solenoid valve, partition and spiral fan blades. When the material feeding is slow due to blockage between the vibrator and the silicon material storage tank, the solenoid valve can be controlled to close to prevent additional blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The present invention is a structural schematic diagram of a silicon material unloading tooling which prevents clogging and improves feeding efficiency.

[0014] Figure 2 It is a schematic diagram of the structure of the partition.

[0015] Figure 3 It is a structural diagram of the transmission chamber.

[0016] As shown in the figure: 1. Silicon material storage tank; 2. Partition; 3. Feeding shaft; 4. Spiral fan blades; 5. Opening; 6. Solenoid valve; 7. Transmission chamber; 8. Driving wheel; 9. Driven wheel 1; 10. Driven wheel 2; 11. Driving motor. DETAILED DESCRIPTION

[0017] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings, wherein the same parts are represented by the same reference numerals.

[0018] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0019] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly connected by technicians in the technical field to which the present invention belongs. The terminology used in the specification of the present invention is for the purpose of describing specific embodiments and is not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0021] In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0022] Please refer to the attached Figure 1-3 A silicon material unloading tooling for preventing clogging and improving feeding efficiency comprises a silicon material storage tank 1, wherein the discharge end of the silicon material storage tank 1 is connected with a material vibrator, a partition 2 is connected with the lower part of the silicon material storage tank 1, the partition 2 is arranged at 1 / 3 of the silicon material storage tank 1, and a buffer zone is formed between the partition 2 and the material vibrator, a plurality of openings 5 ​​are arranged on the partition 2, and an electromagnetic valve 6 is also connected with the lower part of the partition 2 in the silicon material storage tank 1.

[0023] When in use, a feeding shaft 3 is rotatably connected to the upper part of the partition 2 in the silicon material storage tank 1, and a spiral fan blade 4 is connected to the feeding shaft 3. The feeding shaft 3 is provided with multiple groups, wherein the diameter of the opening 5 is 3-50 mm, and a plurality of openings 5 ​​are evenly arranged on the partition 2. At the same time, a transmission cavity 7 is provided in the top of the silicon material storage tank 1, and a transmission group connected to multiple feeding shaft ends is connected in the transmission cavity 7. The transmission group includes a driving wheel 8, a driven wheel one 9 and a driven wheel two 10 which are meshed in sequence. A driving motor 11 is connected to the top of the silicon material storage tank 1 and the driving wheel 8. The driving motor 11 drives the driving wheel 8, and the driving wheel 8, the driven wheel one 9 and the driven wheel two 10 drive the feeding shafts 3 connected to each other to rotate for use.

[0024] In order to ensure the quality of the crystal rod, the partition 2, the spiral fan blades 4 and the feeding shaft are composed of an inner core and an outer structure. The inner core is made of stainless steel, and the outer structure is a polytetrafluoroethylene plate. The outer structure covers the inner core and is protected by the polytetrafluoroethylene plate.

[0025] When the particles can be discharged automatically, the feeding shaft and the partition are used to cooperate to make it discharge automatically. When using powder or fragments that are easy to clog, the solenoid valve is used to control the material to prevent the flow of materials. It is opened only when it is necessary to discharge the materials, so as to control the discharge amount and speed to prevent clogging.

[0026] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0027] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0028] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A silicon material unloading tool for preventing blockage and improving feeding efficiency, comprising a silicon material storage tank (1), wherein a material vibrator is connected to the discharge end of the silicon material storage tank (1), and characterized in that: A partition (2) is connected to the lower part of the silicon material storage tank (1), a feeding shaft (3) is rotatably connected to the upper part of the partition (2) in the silicon material storage tank (1), a spiral fan blade (4) is connected to the feeding shaft (3), and the feeding shaft (3) is provided with multiple groups. A plurality of openings (5) are provided on the partition (2), and a solenoid valve (6) is also connected to the lower part of the partition (2) in the silicon material storage tank (1).

2. The silicon material unloading tooling for preventing blockage and improving feeding efficiency according to claim 1 is characterized by: The diameter of the opening (5) is 3-50 mm, and a plurality of openings (5) are evenly arranged on the partition (2).

3. The silicon material unloading tooling for preventing clogging and improving feeding efficiency according to claim 1 is characterized by: The partition plate (2), the spiral blade (4) and the feed shaft are all composed of an inner core and an outer structure. The inner core is made of stainless steel, and the outer structure is a polytetrafluoroethylene plate. The outer structure is arranged to cover the inner core.

4. The silicon material unloading tooling for preventing clogging and improving feeding efficiency according to claim 1 is characterized by: A transmission chamber (7) is provided in the top of the silicon material storage tank (1), and a transmission group connected to the ends of a plurality of feeding shafts is connected in the transmission chamber (7), and the transmission group comprises a driving wheel (8), a driven wheel 1 (9) and a driven wheel 2 (10) which are arranged in sequence and meshed with each other. A driving motor (11) is provided at the top of the silicon material storage tank (1) and is connected to the driving wheel (8).

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