CN217922432U - Secondary feeding mechanism for broken silicon wafers - Google Patents

Abstract

The utility model relates to a feeding equipment technical field specifically is a garrulous silicon chip secondary mechanism that feeds in raw material, including the single crystal growing furnace, the pay-off shell is installed to one side of single crystal growing furnace, and the feeder is installed at the one end top of pay-off shell, and the internally mounted of feeder has the inner bag, and the inside of inner bag is provided with rabbling mechanism, and the inside of pay-off shell is provided with feeding mechanism, and rabbling mechanism includes the puddler, and stirring vane is installed to the bottom of puddler, and stirring vane is the equidistant setting of annular. In this reinforced mechanism of garrulous silicon chip secondary, can stir the material in the feeder through the rabbling mechanism that wherein sets up, avoid reinforced in-process to cause and block, solved the feeder and added garrulous silicon chip card material or the slow current situation of unloading efficiency for garrulous silicon chip can be carried out the single crystal circulation as normal cycle material, has richened the utilization mode of garrulous silicon chip, has improved the utilization ratio of garrulous silicon chip, has reduced the silicon material cost when the single crystal is drawed.

Description

Secondary charging mechanism for broken silicon wafers

Technical Field

The utility model relates to a feeding equipment technical field, specifically speaking relates to a garrulous silicon chip secondary mechanism of feeding in raw material.

Background

With the rapid expansion of the photovoltaic industry, the price of the silicon material rises linearly at present. Compared with 8 ten thousand yuan per ton in the early 2021 year, the price of a silicon material is broken through 30 ten thousand yuan per ton, the price is greatly increased by more than 3 times, under the background that the price of the silicon material is continuously increased, the application of silicon materials by crystal pulling manufacturers in the industry enters a finer stage, a silicon single crystal can be transferred to a slicing link after being drawn and processed into a finished product square rod with a corresponding specification, in the slicing process, because the yield of the slice cannot reach 100%, part of broken silicon wafers are generated in the slicing link, and after being processed, the part of broken silicon wafers can return to a crystal pulling end to be used as a circulating material to be charged into a furnace again.

The patent with publication number CN216445500U discloses a silicon material secondary feeding device and a single crystal furnace, and the silicon material secondary feeding device comprises: the charging cylinder is provided with a charging opening and a discharging opening which are opposite in the axial direction of the charging cylinder; a flapper assembly movably connected to the discharge port; a drawing shaft located on one side of the feed port in the axial direction and capable of reciprocating in the axial direction; the pulling rope is arranged outside the feeding barrel and connected to the baffle plate assembly and the pulling shaft so as to drive the baffle plate assembly to move under the pulling of the pulling shaft, and the discharge opening is opened or closed. The embodiment of the disclosure provides a secondary silicon material feeding device and a single crystal furnace, which can avoid the problems of silicon solution pollution and the like.

Although this technical scheme can avoid the silicon solution to pollute scheduling problem, when carrying out the reinforced of garrulous silicon piece, can have the slow condition of reinforced card material and unloading, garrulous silicon piece in the feeder can't be conveyed to in the crucible through the high frequency vibrations of feeder promptly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reinforced mechanism of garrulous silicon chip secondary to solve the problem that proposes in the above-mentioned background art.

In order to realize the above object, the utility model provides a garrulous silicon chip secondary mechanism of feeding in raw material, including the single crystal growing furnace, the pay-off shell is installed to one side of single crystal growing furnace, the feeder is installed at the one end top of pay-off shell, the internally mounted of feeder has the inner bag, the inside of inner bag is provided with rabbling mechanism, the inside of pay-off shell is provided with feeding mechanism, rabbling mechanism includes the puddler, stirring vane is installed to the bottom of puddler, and stirring vane is the equidistant setting of annular.

Preferably, a limiting block is installed at the top of the stirring rod and located above the top of the feeding machine, and the stirring rod is rotatably connected with the top of the feeding machine through a bearing.

Preferably, a feeding cover is detachably mounted at the top of the feeding machine.

Preferably, a gate valve is arranged on one side of the single crystal furnace close to the feeding shell.

Preferably, the feeding mechanism comprises a feeding pipe, a rotating shaft is arranged in the feeding pipe, a spiral feeding sheet is installed on the outer side of the rotating shaft, a feeding hole is installed at the position, close to the bottom end of the inner container, of the top of the feeding pipe, and a feeding motor is installed at one end of the rotating shaft.

Preferably, the top of the stirring rod is provided with a connector, and the top of the connector is provided with a manual handle.

Preferably, the top of the stirring rod is driven to rotate by a driving motor.

Compared with the prior art, the beneficial effects of the utility model are that:

in this garrulous silicon chip secondary mechanism of feeding in raw material, can stir the material in the feeder through the rabbling mechanism that wherein sets up, avoid reinforced in-process to cause and block, solved the feeder and added garrulous silicon chip card material or the slow current situation of unloading efficiency for garrulous silicon chip can be carried out the single crystal circulation as normal cycle material, has richened the mode of utilizing of garrulous silicon chip, has improved the utilization ratio of garrulous silicon chip, silicon material cost when having reduced the single crystal and drawing.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a stirring mechanism according to the present invention;

FIG. 3 is a second schematic view of the stirring mechanism of the present invention;

fig. 4 is a schematic structural view of the feeding mechanism of the present invention.

The various reference numbers in the figures mean:

1. a single crystal furnace; 11. a gate valve; 2. a feeding shell; 3. a feeder; 31. a feeding cover; 4. an inner container; 5. a stirring mechanism; 51. a stirring rod; 511. a bearing; 52. a limiting block; 53. a stirring blade; 54. a manual handle; 55. a drive motor; 6. a feeding mechanism; 61. a feed pipe; 62. a rotating shaft; 63. spirally feeding the material sheets; 64. a feeding motor; 65. and (4) feeding a material inlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Example 1

The utility model provides a reinforced mechanism of garrulous silicon chip secondary, as shown in fig. 1-4, including single crystal growing furnace 1, pay-off shell 2 is installed to one side of single crystal growing furnace 1, be used for carrying the material, feeder 3 is installed at the one end top of pay-off shell 2, be used for adding the material, the internally mounted of feeder 3 has inner bag 4, the inside of inner bag 4 is provided with rabbling mechanism 5, be used for stirring the garrulous silicon chip in feeder 3, make its evenly distributed, avoid it to block up and cause the card material, the inside of pay-off shell 2 is provided with feeding mechanism 6, be used for carrying the garrulous silicon chip evenly, rabbling mechanism 5 includes puddler 51, stirring vane 53 is installed to puddler 51's bottom, stirring vane 53 is the equidistant setting of annular, guarantee even stirring.

In this embodiment, a limiting block 52 is installed at the top of the stirring rod 51, the limiting block 52 is located above the top of the feeding machine 3, and the stirring rod 51 is rotatably connected with the top of the feeding machine 3 through a bearing.

Specifically, the top of the feeder 3 is detachably provided with a feeding cover 31, and the feeding cover is detached and installed at the top of the feeder 3, so that feeding is conveniently performed in the inner container 4.

Further, a gate valve 11 is arranged on one side of the single crystal furnace 1 close to the feeding shell 2 and used for switching on and off the feeding of the single crystal furnace 1.

Further, the feeding mechanism 6 comprises a feeding pipe 61, a rotating shaft 62 is arranged inside the feeding pipe 61, a spiral feeding piece 63 is installed on the outer side of the rotating shaft 62, a feeding hole 65 is installed at the bottom end, close to the inner container 4, of the top of the feeding pipe 61, a feeding motor 64 is installed at one end of the rotating shaft 62, the rotating shaft 62 is driven to rotate through the feeding motor 64, and then the spiral feeding piece 63 is driven to move, so that materials in the feeding pipe 61 are conveyed and are fed into the single crystal furnace 1.

Further, the top of the stirring rod 51 is provided with a connector, and the top of the connector is provided with a manual handle 54, so that the stirring rod 51 can be controlled manually to perform stirring operation conveniently.

Example 2

In order to further improve the stirring effect of the stirring rod 51, on the basis of embodiment 1, the top of the stirring rod 51 is driven to rotate by the driving motor 55, the stirring rod 51 is driven to stir by the driving motor 55, so that the uniform rotation of the stirring rod 51 is ensured, the uniform stirring of the material is realized, and the material is prevented from being blocked.

The utility model discloses a garrulous silicon chip secondary feeding mechanism is when using, at first be in the closed condition with slide valve 11, open the charging cover 31 of feeder 3 top, charge to rated weight in toward inner bag 4, close charging cover 31, inner bag 4 inside is managed to find time to keep unanimous with the furnace pressure of single crystal growing furnace 1, open slide valve 11, make single crystal growing furnace 1 and feeder 3 intercommunication, start feeder 3, make quartzy feeding pipe stretch into the assigned position in feeder 3, click reinforced button, open reinforced, make the feeding of silicon material through vibrations, and send the material into single crystal growing furnace 1 in through feeding mechanism 6, start rabbling mechanism 5, make rabbling mechanism 5 stir in feeder 3's inside, make the garrulous silicon chip of card in feeder inside become the motion state by static state, thereby realize feeder 3 can not the card material when adding garrulous silicon chip, once feed completion after, close rabbling mechanism 5, withdraw from quartzy feeding pipe, close 11, the feeder fills hydrogen to the ordinary pressure, open charging cover 31, go on charging cover 31, close inner bag 4 and open the inside single crystal growing furnace gate valve and keep consistent with the single crystal growing furnace 1, it can carry out the intercommunication again to make the single crystal growing furnace feed furnace 1 and make the feeding furnace 1 intercommunication once more to find time.

Finally, it should be noted that in the single crystal furnace 1, the feeder 3, and the like in this embodiment, electronic components in the above components are all common standard components or components known to those skilled in the art, and the structure and principle thereof are known to those skilled in the art through a technical manual or through a conventional experimental method, and in the idle position of the apparatus, all the above electrical components are connected through wires, and the specific connection means should refer to the above working principle, in which the electrical connection is completed sequentially between the electrical components, and all the electrical components are known to those skilled in the art.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a garrulous silicon chip secondary mechanism that feeds in raw material, includes single crystal growing furnace (1), its characterized in that: the feeding shell (2) is installed at one side of the single crystal furnace (1), the feeder (3) is installed at the top of one end of the feeding shell (2), the inner container (4) is installed inside the feeder (3), the stirring mechanism (5) is arranged inside the inner container (4), the feeding mechanism (6) is arranged inside the feeding shell (2), the stirring mechanism (5) comprises a stirring rod (51), stirring blades (53) are installed at the bottom end of the stirring rod (51), and the stirring blades (53) are arranged in an annular shape at equal intervals.

2. The secondary charging mechanism for silicon chips as defined in claim 1, wherein: stopper (52) are installed at the top of puddler (51), stopper (52) are located the top of feeder (3), puddler (51) are connected through the top rotation of bearing with feeder (3).

3. The secondary charging mechanism for silicon chips as defined in claim 1, wherein: the top of charging machine (3) is detachably provided with a charging cover (31).

4. The secondary charging mechanism for silicon chips as defined in claim 1, wherein: and a gate valve (11) is arranged on one side of the single crystal furnace (1) close to the feeding shell (2).

5. The secondary charging mechanism for silicon chips as defined in claim 1, wherein: the feeding mechanism (6) comprises a feeding pipe (61), a rotating shaft (62) is arranged inside the feeding pipe (61), a spiral feeding sheet (63) is installed on the outer side of the rotating shaft (62), a feeding hole (65) is installed at the position, close to the bottom end of the inner container (4), of the top of the feeding pipe (61), and a feeding motor (64) is installed at one end of the rotating shaft (62).

6. The secondary charging mechanism for silicon chips as defined in claim 1, wherein: the top of puddler (51) is provided with the interface, and manual handle (54) are installed to the top of interface.

7. The secondary charging mechanism for silicon chips as defined in claim 1, wherein: the top of the stirring rod (51) is driven to rotate by a driving motor (55).

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